1889680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 4999680

約数和(自身を除く): 3110000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 79, 80, 92, 104, 115, 130, 158, 184, 208, 230, 260, 299, 316, 368, 395, 460, 520, 598, 632, 790, 920, 1027, 1040, 1196, 1264, 1495, 1580, 1817, 1840, 2054, 2392, 2990, 3160, 3634, 4108, 4784, 5135, 5980, 6320, 7268, 8216, 9085, 10270, 11960, 14536, 16432, 18170, 20540, 23621, 23920, 29072, 36340, 41080, 47242, 72680, 82160, 94484, 118105, 145360, 188968, 236210, 377936, 472420, 944840, 1889680]

約数ペア:

[(1, 1889680), (2, 944840), (4, 472420), (5, 377936), (8, 236210), (10, 188968), (13, 145360), (16, 118105), (20, 94484), (23, 82160), (26, 72680), (40, 47242), (46, 41080), (52, 36340), (65, 29072), (79, 23920), (80, 23621), (92, 20540), (104, 18170), (115, 16432), (130, 14536), (158, 11960), (184, 10270), (208, 9085), (230, 8216), (260, 7268), (299, 6320), (316, 5980), (368, 5135), (395, 4784), (460, 4108), (520, 3634), (598, 3160), (632, 2990), (790, 2392), (920, 2054), (1027, 1840), (1040, 1817), (1196, 1580), (1264, 1495)]