219999780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 576

約数和(自身を含む): 950960640

約数和(自身を除く): 730960860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 27, 28, 30, 33, 35, 36, 37, 39, 42, 44, 45, 52, 54, 55, 60, 63, 65, 66, 70, 74, 77, 78, 84, 90, 91, 99, 105, 108, 110, 111, 117, 121, 126, 130, 132, 135, 140, 143, 148, 154, 156, 165, 180, 182, 185, 189, 195, 198, 210, 220, 222, 231, 234, 242, 252, 259, 260, 270, 273, 286, 297, 308, 315, 330, 333, 351, 363, 364, 370, 378, 385, 390, 396, 407, 420, 429, 444, 455, 462, 468, 481, 484, 495, 518, 540, 546, 555, 572, 585, 594, 605, 630, 660, 666, 693, 702, 715, 726, 740, 756, 770, 777, 780, 814, 819, 847, 858, 910, 924, 945, 962, 990, 999, 1001, 1036, 1089, 1092, 1110, 1155, 1170, 1188, 1210, 1221, 1260, 1287, 1295, 1332, 1365, 1386, 1404, 1430, 1443, 1452, 1485, 1540, 1554, 1573, 1628, 1638, 1665, 1694, 1716, 1755, 1815, 1820, 1890, 1924, 1980, 1998, 2002, 2035, 2079, 2145, 2178, 2220, 2310, 2331, 2340, 2405, 2420, 2442, 2457, 2541, 2574, 2590, 2730, 2772, 2849, 2860, 2886, 2970, 3003, 3108, 3146, 3267, 3276, 3330, 3367, 3388, 3465, 3510, 3630, 3663, 3780, 3861, 3885, 3996, 4004, 4070, 4095, 4158, 4235, 4290, 4329, 4356, 4477, 4620, 4662, 4719, 4810, 4884, 4914, 4995, 5005, 5082, 5148, 5180, 5291, 5445, 5460, 5698, 5772, 5940, 6006, 6105, 6292, 6435, 6534, 6660, 6734, 6930, 6993, 7020, 7215, 7260, 7326, 7623, 7722, 7770, 7865, 8140, 8190, 8316, 8470, 8547, 8580, 8658, 8954, 9009, 9324, 9438, 9620, 9828, 9990, 10010, 10101, 10164, 10395, 10582, 10890, 10989, 11011, 11396, 11655, 12012, 12210, 12285, 12705, 12870, 12987, 13068, 13431, 13468, 13860, 13986, 14157, 14245, 14430, 14652, 15015, 15246, 15444, 15540, 15730, 15873, 16335, 16380, 16835, 16940, 17094, 17316, 17908, 18018, 18315, 18876, 19305, 19980, 20020, 20202, 20790, 21164, 21645, 21780, 21978, 22022, 22385, 22869, 23310, 23595, 24420, 24570, 25410, 25641, 25740, 25974, 26455, 26862, 27027, 27972, 28314, 28490, 28860, 30030, 30303, 30492, 31339, 31460, 31746, 32670, 33033, 33670, 34188, 34965, 36036, 36630, 37037, 38115, 38610, 40293, 40404, 41580, 42471, 42735, 43290, 43956, 44044, 44770, 45045, 45738, 46620, 47190, 47619, 49140, 50505, 50820, 51282, 51948, 52910, 53724, 54054, 54945, 55055, 56628, 56980, 58201, 60060, 60606, 62678, 63492, 64935, 65340, 66066, 67155, 67340, 69930, 70785, 73260, 74074, 76230, 76923, 77220, 79365, 80586, 84942, 85470, 86580, 89540, 90090, 90909, 91476, 94017, 94380, 95238, 99099, 101010, 102564, 105820, 108108, 109890, 110110, 111111, 114345, 116402, 120879, 121212, 125356, 128205, 129870, 132132, 134310, 135135, 139860, 141570, 142857, 148148, 151515, 152460, 153846, 156695, 158730, 161172, 165165, 169884, 170940, 174603, 180180, 181818, 185185, 188034, 190476, 198198, 201465, 202020, 212355, 219780, 220220, 222222, 228690, 232804, 238095, 241758, 256410, 259740, 268620, 270270, 282051, 283140, 285714, 291005, 297297, 303030, 307692, 313390, 317460, 330330, 333333, 349206, 363636, 370370, 376068, 384615, 396396, 402930, 407407, 424710, 444444, 454545, 457380, 470085, 476190, 483516, 495495, 512820, 523809, 540540, 555555, 564102, 571428, 582010, 594594, 604395, 606060, 626780, 660660, 666666, 698412, 714285, 740740, 769230, 805860, 814814, 846153, 849420, 873015, 909090, 940170, 952380, 990990, 999999, 1047618, 1111110, 1128204, 1164020, 1189188, 1208790, 1222221, 1333332, 1410255, 1428570, 1486485, 1538460, 1571427, 1629628, 1666665, 1692306, 1746030, 1818180, 1880340, 1981980, 1999998, 2037035, 2095236, 2222220, 2417580, 2444442, 2619045, 2820510, 2857140, 2972970, 3142854, 3333330, 3384612, 3492060, 3666663, 3999996, 4074070, 4230765, 4888884, 4999995, 5238090, 5641020, 5945940, 6111105, 6285708, 6666660, 7333326, 7857135, 8148140, 8461530, 9999990, 10476180, 10999989, 12222210, 14666652, 15714270, 16923060, 18333315, 19999980, 21999978, 24444420, 31428540, 36666630, 43999956, 54999945, 73333260, 109999890, 219999780]

約数ペア:

[(1, 219999780), (2, 109999890), (3, 73333260), (4, 54999945), (5, 43999956), (6, 36666630), (7, 31428540), (9, 24444420), (10, 21999978), (11, 19999980), (12, 18333315), (13, 16923060), (14, 15714270), (15, 14666652), (18, 12222210), (20, 10999989), (21, 10476180), (22, 9999990), (26, 8461530), (27, 8148140), (28, 7857135), (30, 7333326), (33, 6666660), (35, 6285708), (36, 6111105), (37, 5945940), (39, 5641020), (42, 5238090), (44, 4999995), (45, 4888884), (52, 4230765), (54, 4074070), (55, 3999996), (60, 3666663), (63, 3492060), (65, 3384612), (66, 3333330), (70, 3142854), (74, 2972970), (77, 2857140), (78, 2820510), (84, 2619045), (90, 2444442), (91, 2417580), (99, 2222220), (105, 2095236), (108, 2037035), (110, 1999998), (111, 1981980), (117, 1880340), (121, 1818180), (126, 1746030), (130, 1692306), (132, 1666665), (135, 1629628), (140, 1571427), (143, 1538460), (148, 1486485), (154, 1428570), (156, 1410255), (165, 1333332), (180, 1222221), (182, 1208790), (185, 1189188), (189, 1164020), (195, 1128204), (198, 1111110), (210, 1047618), (220, 999999), (222, 990990), (231, 952380), (234, 940170), (242, 909090), (252, 873015), (259, 849420), (260, 846153), (270, 814814), (273, 805860), (286, 769230), (297, 740740), (308, 714285), (315, 698412), (330, 666666), (333, 660660), (351, 626780), (363, 606060), (364, 604395), (370, 594594), (378, 582010), (385, 571428), (390, 564102), (396, 555555), (407, 540540), (420, 523809), (429, 512820), (444, 495495), (455, 483516), (462, 476190), (468, 470085), (481, 457380), (484, 454545), (495, 444444), (518, 424710), (540, 407407), (546, 402930), (555, 396396), (572, 384615), (585, 376068), (594, 370370), (605, 363636), (630, 349206), (660, 333333), (666, 330330), (693, 317460), (702, 313390), (715, 307692), (726, 303030), (740, 297297), (756, 291005), (770, 285714), (777, 283140), (780, 282051), (814, 270270), (819, 268620), (847, 259740), (858, 256410), (910, 241758), (924, 238095), (945, 232804), (962, 228690), (990, 222222), (999, 220220), (1001, 219780), (1036, 212355), (1089, 202020), (1092, 201465), (1110, 198198), (1155, 190476), (1170, 188034), (1188, 185185), (1210, 181818), (1221, 180180), (1260, 174603), (1287, 170940), (1295, 169884), (1332, 165165), (1365, 161172), (1386, 158730), (1404, 156695), (1430, 153846), (1443, 152460), (1452, 151515), (1485, 148148), (1540, 142857), (1554, 141570), (1573, 139860), (1628, 135135), (1638, 134310), (1665, 132132), (1694, 129870), (1716, 128205), (1755, 125356), (1815, 121212), (1820, 120879), (1890, 116402), (1924, 114345), (1980, 111111), (1998, 110110), (2002, 109890), (2035, 108108), (2079, 105820), (2145, 102564), (2178, 101010), (2220, 99099), (2310, 95238), (2331, 94380), (2340, 94017), (2405, 91476), (2420, 90909), (2442, 90090), (2457, 89540), (2541, 86580), (2574, 85470), (2590, 84942), (2730, 80586), (2772, 79365), (2849, 77220), (2860, 76923), (2886, 76230), (2970, 74074), (3003, 73260), (3108, 70785), (3146, 69930), (3267, 67340), (3276, 67155), (3330, 66066), (3367, 65340), (3388, 64935), (3465, 63492), (3510, 62678), (3630, 60606), (3663, 60060), (3780, 58201), (3861, 56980), (3885, 56628), (3996, 55055), (4004, 54945), (4070, 54054), (4095, 53724), (4158, 52910), (4235, 51948), (4290, 51282), (4329, 50820), (4356, 50505), (4477, 49140), (4620, 47619), (4662, 47190), (4719, 46620), (4810, 45738), (4884, 45045), (4914, 44770), (4995, 44044), (5005, 43956), (5082, 43290), (5148, 42735), (5180, 42471), (5291, 41580), (5445, 40404), (5460, 40293), (5698, 38610), (5772, 38115), (5940, 37037), (6006, 36630), (6105, 36036), (6292, 34965), (6435, 34188), (6534, 33670), (6660, 33033), (6734, 32670), (6930, 31746), (6993, 31460), (7020, 31339), (7215, 30492), (7260, 30303), (7326, 30030), (7623, 28860), (7722, 28490), (7770, 28314), (7865, 27972), (8140, 27027), (8190, 26862), (8316, 26455), (8470, 25974), (8547, 25740), (8580, 25641), (8658, 25410), (8954, 24570), (9009, 24420), (9324, 23595), (9438, 23310), (9620, 22869), (9828, 22385), (9990, 22022), (10010, 21978), (10101, 21780), (10164, 21645), (10395, 21164), (10582, 20790), (10890, 20202), (10989, 20020), (11011, 19980), (11396, 19305), (11655, 18876), (12012, 18315), (12210, 18018), (12285, 17908), (12705, 17316), (12870, 17094), (12987, 16940), (13068, 16835), (13431, 16380), (13468, 16335), (13860, 15873), (13986, 15730), (14157, 15540), (14245, 15444), (14430, 15246), (14652, 15015)]