385805680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^2$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 1015997472

約数和(自身を除く): 630191792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 127, 130, 184, 208, 230, 254, 260, 299, 368, 460, 508, 520, 598, 635, 920, 1016, 1040, 1196, 1270, 1495, 1651, 1840, 2032, 2392, 2540, 2921, 2990, 3302, 4784, 5080, 5842, 5980, 6604, 8255, 10160, 11684, 11960, 13208, 14605, 16129, 16510, 23368, 23920, 26416, 29210, 32258, 33020, 37973, 46736, 58420, 64516, 66040, 75946, 80645, 116840, 129032, 132080, 151892, 161290, 189865, 209677, 233680, 258064, 303784, 322580, 370967, 379730, 419354, 607568, 645160, 741934, 759460, 838708, 1048385, 1290320, 1483868, 1518920, 1677416, 1854835, 2096770, 2967736, 3037840, 3354832, 3709670, 4193540, 4822571, 5935472, 7419340, 8387080, 9645142, 14838680, 16774160, 19290284, 24112855, 29677360, 38580568, 48225710, 77161136, 96451420, 192902840, 385805680]

約数ペア:

[(1, 385805680), (2, 192902840), (4, 96451420), (5, 77161136), (8, 48225710), (10, 38580568), (13, 29677360), (16, 24112855), (20, 19290284), (23, 16774160), (26, 14838680), (40, 9645142), (46, 8387080), (52, 7419340), (65, 5935472), (80, 4822571), (92, 4193540), (104, 3709670), (115, 3354832), (127, 3037840), (130, 2967736), (184, 2096770), (208, 1854835), (230, 1677416), (254, 1518920), (260, 1483868), (299, 1290320), (368, 1048385), (460, 838708), (508, 759460), (520, 741934), (598, 645160), (635, 607568), (920, 419354), (1016, 379730), (1040, 370967), (1196, 322580), (1270, 303784), (1495, 258064), (1651, 233680), (1840, 209677), (2032, 189865), (2392, 161290), (2540, 151892), (2921, 132080), (2990, 129032), (3302, 116840), (4784, 80645), (5080, 75946), (5842, 66040), (5980, 64516), (6604, 58420), (8255, 46736), (10160, 37973), (11684, 33020), (11960, 32258), (13208, 29210), (14605, 26416), (16129, 23920), (16510, 23368)]