161981820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 576

約数和(自身を含む): 704471040

約数和(自身を除く): 542489220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 28, 29, 30, 31, 33, 35, 36, 39, 42, 44, 45, 52, 55, 58, 60, 62, 63, 65, 66, 70, 77, 78, 84, 87, 90, 91, 93, 99, 105, 110, 116, 117, 124, 126, 130, 132, 140, 143, 145, 154, 155, 156, 165, 174, 180, 182, 186, 195, 198, 203, 210, 217, 220, 231, 234, 252, 260, 261, 273, 279, 286, 290, 308, 310, 315, 319, 330, 341, 348, 364, 372, 377, 385, 390, 396, 403, 406, 420, 429, 434, 435, 455, 462, 465, 468, 495, 522, 546, 558, 572, 580, 585, 609, 620, 630, 638, 651, 660, 682, 693, 715, 754, 770, 780, 806, 812, 819, 858, 868, 870, 899, 910, 924, 930, 957, 990, 1001, 1015, 1023, 1044, 1085, 1092, 1116, 1131, 1155, 1170, 1209, 1218, 1260, 1276, 1287, 1302, 1305, 1364, 1365, 1386, 1395, 1430, 1508, 1540, 1595, 1612, 1638, 1705, 1716, 1740, 1798, 1820, 1827, 1860, 1885, 1914, 1953, 1980, 2002, 2015, 2030, 2046, 2145, 2170, 2233, 2262, 2310, 2340, 2387, 2418, 2436, 2574, 2604, 2610, 2639, 2697, 2730, 2772, 2790, 2821, 2860, 2871, 3003, 3045, 3069, 3190, 3255, 3276, 3393, 3410, 3465, 3596, 3627, 3654, 3770, 3828, 3906, 4004, 4030, 4060, 4092, 4095, 4147, 4290, 4340, 4433, 4466, 4495, 4524, 4620, 4774, 4785, 4836, 5005, 5115, 5148, 5220, 5278, 5394, 5460, 5580, 5642, 5655, 5742, 6006, 6045, 6090, 6138, 6293, 6380, 6435, 6510, 6699, 6786, 6820, 6930, 7161, 7254, 7308, 7540, 7812, 7917, 8060, 8091, 8190, 8294, 8463, 8580, 8866, 8932, 8990, 9009, 9135, 9548, 9570, 9765, 9889, 10010, 10230, 10556, 10788, 11165, 11284, 11310, 11484, 11687, 11935, 12012, 12090, 12180, 12276, 12441, 12586, 12870, 13020, 13195, 13299, 13398, 13485, 13572, 13860, 14105, 14322, 14355, 14508, 15015, 15345, 15834, 16182, 16380, 16588, 16926, 16965, 17732, 17980, 18018, 18135, 18270, 18879, 19140, 19530, 19778, 20020, 20097, 20460, 20735, 21483, 22165, 22330, 22620, 23374, 23751, 23870, 24180, 24882, 25172, 25389, 25740, 26390, 26598, 26796, 26970, 28210, 28644, 28710, 29029, 29667, 30030, 30690, 31031, 31465, 31668, 32364, 33495, 33852, 33930, 35061, 35805, 36036, 36270, 36540, 37323, 37758, 39060, 39556, 39585, 39897, 40194, 40455, 41470, 42315, 42966, 44330, 44660, 45045, 46748, 47502, 47740, 49445, 49764, 50778, 52780, 53196, 53940, 56420, 56637, 57420, 58058, 58435, 59334, 60060, 61380, 62062, 62205, 62930, 66495, 66990, 67860, 69223, 70122, 71610, 72540, 74646, 75516, 79170, 79794, 80388, 80910, 81809, 82940, 84630, 85932, 87087, 88660, 89001, 90090, 93093, 94395, 95004, 98890, 100485, 101556, 105183, 107415, 113274, 116116, 116870, 118668, 118755, 124124, 124410, 125860, 126945, 128557, 132990, 133980, 138446, 140244, 143220, 145145, 148335, 149292, 155155, 158340, 159588, 161820, 163618, 169260, 174174, 175305, 178002, 180180, 186186, 186615, 188790, 197780, 199485, 200970, 207669, 210366, 214830, 226548, 233740, 237510, 245427, 248820, 253890, 257114, 261261, 265980, 276892, 279279, 283185, 290290, 296670, 310310, 327236, 346115, 348348, 350610, 356004, 372372, 373230, 377580, 385671, 398970, 401940, 409045, 415338, 420732, 429660, 435435, 445005, 465465, 475020, 490854, 507780, 514228, 522522, 525915, 558558, 566370, 580580, 593340, 620620, 623007, 642785, 692230, 701220, 736281, 746460, 771342, 797940, 818090, 830676, 870870, 890010, 899899, 930930, 981708, 1038345, 1045044, 1051830, 1117116, 1132740, 1157013, 1227135, 1246014, 1285570, 1306305, 1384460, 1396395, 1472562, 1542684, 1636180, 1741740, 1780020, 1799798, 1861860, 1928355, 2076690, 2103660, 2314026, 2454270, 2492028, 2571140, 2612610, 2699697, 2792790, 2945124, 3115035, 3599596, 3681405, 3856710, 4153380, 4499495, 4628052, 4908540, 5225220, 5399394, 5585580, 5785065, 6230070, 7362810, 7713420, 8099091, 8998990, 10798788, 11570130, 12460140, 13498485, 14725620, 16198182, 17997980, 23140260, 26996970, 32396364, 40495455, 53993940, 80990910, 161981820]

約数ペア:

[(1, 161981820), (2, 80990910), (3, 53993940), (4, 40495455), (5, 32396364), (6, 26996970), (7, 23140260), (9, 17997980), (10, 16198182), (11, 14725620), (12, 13498485), (13, 12460140), (14, 11570130), (15, 10798788), (18, 8998990), (20, 8099091), (21, 7713420), (22, 7362810), (26, 6230070), (28, 5785065), (29, 5585580), (30, 5399394), (31, 5225220), (33, 4908540), (35, 4628052), (36, 4499495), (39, 4153380), (42, 3856710), (44, 3681405), (45, 3599596), (52, 3115035), (55, 2945124), (58, 2792790), (60, 2699697), (62, 2612610), (63, 2571140), (65, 2492028), (66, 2454270), (70, 2314026), (77, 2103660), (78, 2076690), (84, 1928355), (87, 1861860), (90, 1799798), (91, 1780020), (93, 1741740), (99, 1636180), (105, 1542684), (110, 1472562), (116, 1396395), (117, 1384460), (124, 1306305), (126, 1285570), (130, 1246014), (132, 1227135), (140, 1157013), (143, 1132740), (145, 1117116), (154, 1051830), (155, 1045044), (156, 1038345), (165, 981708), (174, 930930), (180, 899899), (182, 890010), (186, 870870), (195, 830676), (198, 818090), (203, 797940), (210, 771342), (217, 746460), (220, 736281), (231, 701220), (234, 692230), (252, 642785), (260, 623007), (261, 620620), (273, 593340), (279, 580580), (286, 566370), (290, 558558), (308, 525915), (310, 522522), (315, 514228), (319, 507780), (330, 490854), (341, 475020), (348, 465465), (364, 445005), (372, 435435), (377, 429660), (385, 420732), (390, 415338), (396, 409045), (403, 401940), (406, 398970), (420, 385671), (429, 377580), (434, 373230), (435, 372372), (455, 356004), (462, 350610), (465, 348348), (468, 346115), (495, 327236), (522, 310310), (546, 296670), (558, 290290), (572, 283185), (580, 279279), (585, 276892), (609, 265980), (620, 261261), (630, 257114), (638, 253890), (651, 248820), (660, 245427), (682, 237510), (693, 233740), (715, 226548), (754, 214830), (770, 210366), (780, 207669), (806, 200970), (812, 199485), (819, 197780), (858, 188790), (868, 186615), (870, 186186), (899, 180180), (910, 178002), (924, 175305), (930, 174174), (957, 169260), (990, 163618), (1001, 161820), (1015, 159588), (1023, 158340), (1044, 155155), (1085, 149292), (1092, 148335), (1116, 145145), (1131, 143220), (1155, 140244), (1170, 138446), (1209, 133980), (1218, 132990), (1260, 128557), (1276, 126945), (1287, 125860), (1302, 124410), (1305, 124124), (1364, 118755), (1365, 118668), (1386, 116870), (1395, 116116), (1430, 113274), (1508, 107415), (1540, 105183), (1595, 101556), (1612, 100485), (1638, 98890), (1705, 95004), (1716, 94395), (1740, 93093), (1798, 90090), (1820, 89001), (1827, 88660), (1860, 87087), (1885, 85932), (1914, 84630), (1953, 82940), (1980, 81809), (2002, 80910), (2015, 80388), (2030, 79794), (2046, 79170), (2145, 75516), (2170, 74646), (2233, 72540), (2262, 71610), (2310, 70122), (2340, 69223), (2387, 67860), (2418, 66990), (2436, 66495), (2574, 62930), (2604, 62205), (2610, 62062), (2639, 61380), (2697, 60060), (2730, 59334), (2772, 58435), (2790, 58058), (2821, 57420), (2860, 56637), (2871, 56420), (3003, 53940), (3045, 53196), (3069, 52780), (3190, 50778), (3255, 49764), (3276, 49445), (3393, 47740), (3410, 47502), (3465, 46748), (3596, 45045), (3627, 44660), (3654, 44330), (3770, 42966), (3828, 42315), (3906, 41470), (4004, 40455), (4030, 40194), (4060, 39897), (4092, 39585), (4095, 39556), (4147, 39060), (4290, 37758), (4340, 37323), (4433, 36540), (4466, 36270), (4495, 36036), (4524, 35805), (4620, 35061), (4774, 33930), (4785, 33852), (4836, 33495), (5005, 32364), (5115, 31668), (5148, 31465), (5220, 31031), (5278, 30690), (5394, 30030), (5460, 29667), (5580, 29029), (5642, 28710), (5655, 28644), (5742, 28210), (6006, 26970), (6045, 26796), (6090, 26598), (6138, 26390), (6293, 25740), (6380, 25389), (6435, 25172), (6510, 24882), (6699, 24180), (6786, 23870), (6820, 23751), (6930, 23374), (7161, 22620), (7254, 22330), (7308, 22165), (7540, 21483), (7812, 20735), (7917, 20460), (8060, 20097), (8091, 20020), (8190, 19778), (8294, 19530), (8463, 19140), (8580, 18879), (8866, 18270), (8932, 18135), (8990, 18018), (9009, 17980), (9135, 17732), (9548, 16965), (9570, 16926), (9765, 16588), (9889, 16380), (10010, 16182), (10230, 15834), (10556, 15345), (10788, 15015), (11165, 14508), (11284, 14355), (11310, 14322), (11484, 14105), (11687, 13860), (11935, 13572), (12012, 13485), (12090, 13398), (12180, 13299), (12276, 13195), (12441, 13020), (12586, 12870)]