160980451960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{145969}}^1$

素因数の和:146408

約数の個数: 64

約数和(自身を含む): 367844400000

約数和(自身を除く): 206863948040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 349, 395, 632, 698, 790, 1396, 1580, 1745, 2792, 3160, 3490, 6980, 13960, 27571, 55142, 110284, 137855, 145969, 220568, 275710, 291938, 551420, 583876, 729845, 1102840, 1167752, 1459690, 2919380, 5838760, 11531551, 23063102, 46126204, 50943181, 57657755, 92252408, 101886362, 115315510, 203772724, 230631020, 254715905, 407545448, 461262040, 509431810, 1018863620, 2037727240, 4024511299, 8049022598, 16098045196, 20122556495, 32196090392, 40245112990, 80490225980, 160980451960]

約数ペア:

[(1, 160980451960), (2, 80490225980), (4, 40245112990), (5, 32196090392), (8, 20122556495), (10, 16098045196), (20, 8049022598), (40, 4024511299), (79, 2037727240), (158, 1018863620), (316, 509431810), (349, 461262040), (395, 407545448), (632, 254715905), (698, 230631020), (790, 203772724), (1396, 115315510), (1580, 101886362), (1745, 92252408), (2792, 57657755), (3160, 50943181), (3490, 46126204), (6980, 23063102), (13960, 11531551), (27571, 5838760), (55142, 2919380), (110284, 1459690), (137855, 1167752), (145969, 1102840), (220568, 729845), (275710, 583876), (291938, 551420)]