319142720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76717}}^1$

素因数の和:76747

約数の個数: 56

約数和(自身を含む): 818427624

約数和(自身を除く): 499284904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 76717, 153434, 306868, 383585, 613736, 767170, 997321, 1227472, 1534340, 1994642, 2454944, 3068680, 3989284, 4909888, 4986605, 6137360, 7978568, 9973210, 12274720, 15957136, 19946420, 24549440, 31914272, 39892840, 63828544, 79785680, 159571360, 319142720]

約数ペア:

[(1, 319142720), (2, 159571360), (4, 79785680), (5, 63828544), (8, 39892840), (10, 31914272), (13, 24549440), (16, 19946420), (20, 15957136), (26, 12274720), (32, 9973210), (40, 7978568), (52, 6137360), (64, 4986605), (65, 4909888), (80, 3989284), (104, 3068680), (130, 2454944), (160, 1994642), (208, 1534340), (260, 1227472), (320, 997321), (416, 767170), (520, 613736), (832, 383585), (1040, 306868), (2080, 153434), (4160, 76717)]