78651960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21143}}^1$

素因数の和:21188

約数の個数: 64

約数和(自身を含む): 243578880

約数和(自身を除く): 164926920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21143, 42286, 63429, 84572, 105715, 126858, 169144, 211430, 253716, 317145, 422860, 507432, 634290, 655433, 845720, 1268580, 1310866, 1966299, 2537160, 2621732, 3277165, 3932598, 5243464, 6554330, 7865196, 9831495, 13108660, 15730392, 19662990, 26217320, 39325980, 78651960]

約数ペア:

[(1, 78651960), (2, 39325980), (3, 26217320), (4, 19662990), (5, 15730392), (6, 13108660), (8, 9831495), (10, 7865196), (12, 6554330), (15, 5243464), (20, 3932598), (24, 3277165), (30, 2621732), (31, 2537160), (40, 1966299), (60, 1310866), (62, 1268580), (93, 845720), (120, 655433), (124, 634290), (155, 507432), (186, 422860), (248, 317145), (310, 253716), (372, 211430), (465, 169144), (620, 126858), (744, 105715), (930, 84572), (1240, 63429), (1860, 42286), (3720, 21143)]