77711920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6793}}^1$

素因数の和:6830

約数の個数: 80

約数和(自身を含む): 212298912

約数和(自身を除く): 134586992

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 6793, 11440, 13586, 27172, 33965, 54344, 67930, 74723, 88309, 108688, 135860, 149446, 176618, 271720, 298892, 353236, 373615, 441545, 543440, 597784, 706472, 747230, 883090, 971399, 1195568, 1412944, 1494460, 1766180, 1942798, 2988920, 3532360, 3885596, 4856995, 5977840, 7064720, 7771192, 9713990, 15542384, 19427980, 38855960, 77711920]

約数ペア:

[(1, 77711920), (2, 38855960), (4, 19427980), (5, 15542384), (8, 9713990), (10, 7771192), (11, 7064720), (13, 5977840), (16, 4856995), (20, 3885596), (22, 3532360), (26, 2988920), (40, 1942798), (44, 1766180), (52, 1494460), (55, 1412944), (65, 1195568), (80, 971399), (88, 883090), (104, 747230), (110, 706472), (130, 597784), (143, 543440), (176, 441545), (208, 373615), (220, 353236), (260, 298892), (286, 271720), (440, 176618), (520, 149446), (572, 135860), (715, 108688), (880, 88309), (1040, 74723), (1144, 67930), (1430, 54344), (2288, 33965), (2860, 27172), (5720, 13586), (6793, 11440)]