68644420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 163066176

約数和(自身を除く): 94421756

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 460, 598, 676, 845, 883, 1196, 1495, 1690, 1766, 2990, 3380, 3532, 3887, 4415, 5980, 7774, 8830, 11479, 15548, 17660, 19435, 20309, 22958, 38870, 40618, 45916, 57395, 77740, 81236, 101545, 114790, 149227, 203090, 229580, 264017, 298454, 406180, 528034, 596908, 746135, 1056068, 1320085, 1492270, 2640170, 2984540, 3432221, 5280340, 6864442, 13728884, 17161105, 34322210, 68644420]

約数ペア:

[(1, 68644420), (2, 34322210), (4, 17161105), (5, 13728884), (10, 6864442), (13, 5280340), (20, 3432221), (23, 2984540), (26, 2640170), (46, 1492270), (52, 1320085), (65, 1056068), (92, 746135), (115, 596908), (130, 528034), (169, 406180), (230, 298454), (260, 264017), (299, 229580), (338, 203090), (460, 149227), (598, 114790), (676, 101545), (845, 81236), (883, 77740), (1196, 57395), (1495, 45916), (1690, 40618), (1766, 38870), (2990, 22958), (3380, 20309), (3532, 19435), (3887, 17660), (4415, 15548), (5980, 11479), (7774, 8830)]