1649594960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68963}}^1$

素因数の和:69012

約数の個数: 80

約数和(自身を含む): 4309974144

約数和(自身を除く): 2660379184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920, 68963, 137926, 275852, 344815, 551704, 689630, 896519, 1103408, 1379260, 1586149, 1793038, 2758520, 3172298, 3586076, 4482595, 5517040, 6344596, 7172152, 7930745, 8965190, 12689192, 14344304, 15861490, 17930380, 20619937, 25378384, 31722980, 35860760, 41239874, 63445960, 71721520, 82479748, 103099685, 126891920, 164959496, 206199370, 329918992, 412398740, 824797480, 1649594960]

約数ペア:

[(1, 1649594960), (2, 824797480), (4, 412398740), (5, 329918992), (8, 206199370), (10, 164959496), (13, 126891920), (16, 103099685), (20, 82479748), (23, 71721520), (26, 63445960), (40, 41239874), (46, 35860760), (52, 31722980), (65, 25378384), (80, 20619937), (92, 17930380), (104, 15861490), (115, 14344304), (130, 12689192), (184, 8965190), (208, 7930745), (230, 7172152), (260, 6344596), (299, 5517040), (368, 4482595), (460, 3586076), (520, 3172298), (598, 2758520), (920, 1793038), (1040, 1586149), (1196, 1379260), (1495, 1103408), (1840, 896519), (2392, 689630), (2990, 551704), (4784, 344815), (5980, 275852), (11960, 137926), (23920, 68963)]