15975991240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1\times {\mathrm{983}}^1$

素因数の和:1907

約数の個数: 128

約数和(自身を含む): 40213324800

約数和(自身を除く): 24237333560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 859, 860, 946, 983, 1718, 1720, 1892, 1966, 2365, 3436, 3784, 3932, 4295, 4730, 4915, 6872, 7864, 8590, 9449, 9460, 9830, 10813, 17180, 18898, 18920, 19660, 21626, 34360, 36937, 37796, 39320, 42269, 43252, 47245, 54065, 73874, 75592, 84538, 86504, 94490, 108130, 147748, 169076, 184685, 188980, 211345, 216260, 295496, 338152, 369370, 377960, 406307, 422690, 432520, 464959, 738740, 812614, 844397, 845380, 929918, 1477480, 1625228, 1688794, 1690760, 1859836, 2031535, 2324795, 3250456, 3377588, 3719672, 4063070, 4221985, 4649590, 6755176, 8126140, 8443970, 9288367, 9299180, 16252280, 16887940, 18576734, 18598360, 33775880, 36309071, 37153468, 46441835, 72618142, 74306936, 92883670, 145236284, 181545355, 185767340, 290472568, 363090710, 371534680, 399399781, 726181420, 798799562, 1452362840, 1597599124, 1996998905, 3195198248, 3993997810, 7987995620, 15975991240]

約数ペア:

[(1, 15975991240), (2, 7987995620), (4, 3993997810), (5, 3195198248), (8, 1996998905), (10, 1597599124), (11, 1452362840), (20, 798799562), (22, 726181420), (40, 399399781), (43, 371534680), (44, 363090710), (55, 290472568), (86, 185767340), (88, 181545355), (110, 145236284), (172, 92883670), (215, 74306936), (220, 72618142), (344, 46441835), (430, 37153468), (440, 36309071), (473, 33775880), (859, 18598360), (860, 18576734), (946, 16887940), (983, 16252280), (1718, 9299180), (1720, 9288367), (1892, 8443970), (1966, 8126140), (2365, 6755176), (3436, 4649590), (3784, 4221985), (3932, 4063070), (4295, 3719672), (4730, 3377588), (4915, 3250456), (6872, 2324795), (7864, 2031535), (8590, 1859836), (9449, 1690760), (9460, 1688794), (9830, 1625228), (10813, 1477480), (17180, 929918), (18898, 845380), (18920, 844397), (19660, 812614), (21626, 738740), (34360, 464959), (36937, 432520), (37796, 422690), (39320, 406307), (42269, 377960), (43252, 369370), (47245, 338152), (54065, 295496), (73874, 216260), (75592, 211345), (84538, 188980), (86504, 184685), (94490, 169076), (108130, 147748)]