1555551480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:171

約数の個数: 384

約数和(自身を含む): 5765437440

約数和(自身を除く): 4209885960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 41, 42, 47, 56, 60, 62, 70, 82, 84, 93, 94, 105, 120, 123, 124, 140, 141, 155, 164, 168, 186, 188, 205, 210, 217, 235, 246, 248, 280, 282, 287, 310, 328, 329, 372, 376, 410, 420, 434, 465, 470, 492, 564, 574, 615, 620, 651, 658, 705, 744, 820, 840, 861, 868, 930, 940, 961, 984, 987, 1085, 1128, 1148, 1230, 1240, 1271, 1302, 1316, 1410, 1435, 1457, 1640, 1645, 1722, 1736, 1860, 1880, 1922, 1927, 1974, 2170, 2296, 2460, 2542, 2604, 2632, 2820, 2870, 2883, 2914, 3255, 3290, 3444, 3720, 3813, 3844, 3854, 3948, 4305, 4340, 4371, 4805, 4920, 4935, 5084, 5208, 5640, 5740, 5766, 5781, 5828, 6355, 6510, 6580, 6727, 6888, 7285, 7626, 7688, 7708, 7896, 8610, 8680, 8742, 8897, 9610, 9635, 9870, 10168, 10199, 11480, 11532, 11562, 11656, 12710, 13020, 13160, 13454, 13489, 14415, 14570, 15252, 15416, 17220, 17484, 17794, 19065, 19220, 19270, 19740, 20181, 20398, 21855, 23064, 23124, 25420, 26040, 26691, 26908, 26978, 28830, 28905, 29140, 30504, 30597, 33635, 34440, 34968, 35588, 38130, 38440, 38540, 39401, 39480, 40362, 40467, 40796, 43710, 44485, 45167, 46248, 50840, 50995, 53382, 53816, 53956, 57660, 57810, 58280, 59737, 61194, 67270, 67445, 71176, 76260, 77080, 78802, 80724, 80934, 81592, 87420, 88970, 90334, 100905, 101990, 106764, 107912, 115320, 115620, 118203, 119474, 122388, 133455, 134540, 134890, 135501, 152520, 152985, 157604, 161448, 161868, 174840, 177940, 179211, 180668, 197005, 201810, 202335, 203980, 213528, 225835, 231240, 236406, 238948, 244776, 266910, 269080, 269780, 271002, 275807, 298685, 305970, 315208, 316169, 323736, 355880, 358422, 361336, 394010, 403620, 404670, 407960, 418159, 451670, 472812, 477896, 533820, 539560, 542004, 551614, 591015, 597370, 611940, 632338, 677505, 716844, 788020, 807240, 809340, 827421, 836318, 896055, 903340, 945624, 948507, 1067640, 1084008, 1103228, 1182030, 1194740, 1223880, 1254477, 1264676, 1355010, 1379035, 1433688, 1576040, 1580845, 1618680, 1654842, 1672636, 1792110, 1806680, 1851847, 1897014, 2090795, 2206456, 2364060, 2389480, 2508954, 2529352, 2710020, 2758070, 3161690, 3309684, 3345272, 3584220, 3703694, 3794028, 4137105, 4181590, 4728120, 4742535, 5017908, 5420040, 5516140, 5555541, 6272385, 6323380, 6619368, 7168440, 7407388, 7588056, 8274210, 8363180, 9259235, 9485070, 10035816, 11032280, 11111082, 12544770, 12646760, 12962929, 14814776, 16548420, 16726360, 18518470, 18970140, 22222164, 25089540, 25925858, 27777705, 33096840, 37036940, 37940280, 38888787, 44444328, 50179080, 51851716, 55555410, 64814645, 74073880, 77777574, 103703432, 111110820, 129629290, 155555148, 194443935, 222221640, 259258580, 311110296, 388887870, 518517160, 777775740, 1555551480]

約数ペア:

[(1, 1555551480), (2, 777775740), (3, 518517160), (4, 388887870), (5, 311110296), (6, 259258580), (7, 222221640), (8, 194443935), (10, 155555148), (12, 129629290), (14, 111110820), (15, 103703432), (20, 77777574), (21, 74073880), (24, 64814645), (28, 55555410), (30, 51851716), (31, 50179080), (35, 44444328), (40, 38888787), (41, 37940280), (42, 37036940), (47, 33096840), (56, 27777705), (60, 25925858), (62, 25089540), (70, 22222164), (82, 18970140), (84, 18518470), (93, 16726360), (94, 16548420), (105, 14814776), (120, 12962929), (123, 12646760), (124, 12544770), (140, 11111082), (141, 11032280), (155, 10035816), (164, 9485070), (168, 9259235), (186, 8363180), (188, 8274210), (205, 7588056), (210, 7407388), (217, 7168440), (235, 6619368), (246, 6323380), (248, 6272385), (280, 5555541), (282, 5516140), (287, 5420040), (310, 5017908), (328, 4742535), (329, 4728120), (372, 4181590), (376, 4137105), (410, 3794028), (420, 3703694), (434, 3584220), (465, 3345272), (470, 3309684), (492, 3161690), (564, 2758070), (574, 2710020), (615, 2529352), (620, 2508954), (651, 2389480), (658, 2364060), (705, 2206456), (744, 2090795), (820, 1897014), (840, 1851847), (861, 1806680), (868, 1792110), (930, 1672636), (940, 1654842), (961, 1618680), (984, 1580845), (987, 1576040), (1085, 1433688), (1128, 1379035), (1148, 1355010), (1230, 1264676), (1240, 1254477), (1271, 1223880), (1302, 1194740), (1316, 1182030), (1410, 1103228), (1435, 1084008), (1457, 1067640), (1640, 948507), (1645, 945624), (1722, 903340), (1736, 896055), (1860, 836318), (1880, 827421), (1922, 809340), (1927, 807240), (1974, 788020), (2170, 716844), (2296, 677505), (2460, 632338), (2542, 611940), (2604, 597370), (2632, 591015), (2820, 551614), (2870, 542004), (2883, 539560), (2914, 533820), (3255, 477896), (3290, 472812), (3444, 451670), (3720, 418159), (3813, 407960), (3844, 404670), (3854, 403620), (3948, 394010), (4305, 361336), (4340, 358422), (4371, 355880), (4805, 323736), (4920, 316169), (4935, 315208), (5084, 305970), (5208, 298685), (5640, 275807), (5740, 271002), (5766, 269780), (5781, 269080), (5828, 266910), (6355, 244776), (6510, 238948), (6580, 236406), (6727, 231240), (6888, 225835), (7285, 213528), (7626, 203980), (7688, 202335), (7708, 201810), (7896, 197005), (8610, 180668), (8680, 179211), (8742, 177940), (8897, 174840), (9610, 161868), (9635, 161448), (9870, 157604), (10168, 152985), (10199, 152520), (11480, 135501), (11532, 134890), (11562, 134540), (11656, 133455), (12710, 122388), (13020, 119474), (13160, 118203), (13454, 115620), (13489, 115320), (14415, 107912), (14570, 106764), (15252, 101990), (15416, 100905), (17220, 90334), (17484, 88970), (17794, 87420), (19065, 81592), (19220, 80934), (19270, 80724), (19740, 78802), (20181, 77080), (20398, 76260), (21855, 71176), (23064, 67445), (23124, 67270), (25420, 61194), (26040, 59737), (26691, 58280), (26908, 57810), (26978, 57660), (28830, 53956), (28905, 53816), (29140, 53382), (30504, 50995), (30597, 50840), (33635, 46248), (34440, 45167), (34968, 44485), (35588, 43710), (38130, 40796), (38440, 40467), (38540, 40362), (39401, 39480)]