15251311620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1\times {\mathrm{991}}^1$

素因数の和:1642

約数の個数: 144

約数和(自身を含む): 46654013952

約数和(自身を除く): 31402702332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 443, 579, 772, 886, 965, 991, 1158, 1329, 1737, 1772, 1930, 1982, 2215, 2316, 2658, 2895, 2973, 3474, 3860, 3964, 3987, 4430, 4955, 5316, 5790, 5946, 6645, 6948, 7974, 8685, 8860, 8919, 9910, 11580, 11892, 13290, 14865, 15948, 17370, 17838, 19820, 19935, 26580, 29730, 34740, 35676, 39870, 44595, 59460, 79740, 85499, 89190, 170998, 178380, 191263, 256497, 341996, 382526, 427495, 439013, 512994, 573789, 765052, 769491, 854990, 878026, 956315, 1025988, 1147578, 1282485, 1317039, 1538982, 1709980, 1721367, 1756052, 1912630, 2195065, 2295156, 2564970, 2634078, 2868945, 3077964, 3442734, 3825260, 3847455, 3951117, 4390130, 5129940, 5268156, 5737890, 6585195, 6885468, 7694910, 7902234, 8606835, 8780260, 11475780, 13170390, 15389820, 15804468, 17213670, 19755585, 26340780, 34427340, 39511170, 79022340, 84729509, 169459018, 254188527, 338918036, 423647545, 508377054, 762565581, 847295090, 1016754108, 1270942635, 1525131162, 1694590180, 2541885270, 3050262324, 3812827905, 5083770540, 7625655810, 15251311620]

約数ペア:

[(1, 15251311620), (2, 7625655810), (3, 5083770540), (4, 3812827905), (5, 3050262324), (6, 2541885270), (9, 1694590180), (10, 1525131162), (12, 1270942635), (15, 1016754108), (18, 847295090), (20, 762565581), (30, 508377054), (36, 423647545), (45, 338918036), (60, 254188527), (90, 169459018), (180, 84729509), (193, 79022340), (386, 39511170), (443, 34427340), (579, 26340780), (772, 19755585), (886, 17213670), (965, 15804468), (991, 15389820), (1158, 13170390), (1329, 11475780), (1737, 8780260), (1772, 8606835), (1930, 7902234), (1982, 7694910), (2215, 6885468), (2316, 6585195), (2658, 5737890), (2895, 5268156), (2973, 5129940), (3474, 4390130), (3860, 3951117), (3964, 3847455), (3987, 3825260), (4430, 3442734), (4955, 3077964), (5316, 2868945), (5790, 2634078), (5946, 2564970), (6645, 2295156), (6948, 2195065), (7974, 1912630), (8685, 1756052), (8860, 1721367), (8919, 1709980), (9910, 1538982), (11580, 1317039), (11892, 1282485), (13290, 1147578), (14865, 1025988), (15948, 956315), (17370, 878026), (17838, 854990), (19820, 769491), (19935, 765052), (26580, 573789), (29730, 512994), (34740, 439013), (35676, 427495), (39870, 382526), (44595, 341996), (59460, 256497), (79740, 191263), (85499, 178380), (89190, 170998)]