1243840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 84

約数和(自身を含む): 3346704

約数和(自身を除く): 2102864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 169, 184, 208, 230, 260, 299, 320, 338, 368, 416, 460, 520, 598, 676, 736, 832, 845, 920, 1040, 1196, 1352, 1472, 1495, 1690, 1840, 2080, 2392, 2704, 2990, 3380, 3680, 3887, 4160, 4784, 5408, 5980, 6760, 7360, 7774, 9568, 10816, 11960, 13520, 15548, 19136, 19435, 23920, 27040, 31096, 38870, 47840, 54080, 62192, 77740, 95680, 124384, 155480, 248768, 310960, 621920, 1243840]

約数ペア:

[(1, 1243840), (2, 621920), (4, 310960), (5, 248768), (8, 155480), (10, 124384), (13, 95680), (16, 77740), (20, 62192), (23, 54080), (26, 47840), (32, 38870), (40, 31096), (46, 27040), (52, 23920), (64, 19435), (65, 19136), (80, 15548), (92, 13520), (104, 11960), (115, 10816), (130, 9568), (160, 7774), (169, 7360), (184, 6760), (208, 5980), (230, 5408), (260, 4784), (299, 4160), (320, 3887), (338, 3680), (368, 3380), (416, 2990), (460, 2704), (520, 2392), (598, 2080), (676, 1840), (736, 1690), (832, 1495), (845, 1472), (920, 1352), (1040, 1196)]