80717780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{167}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 201519360

約数和(自身を除く): 120801580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 167, 169, 220, 260, 286, 334, 338, 572, 668, 676, 715, 835, 845, 1430, 1670, 1690, 1837, 1859, 2171, 2197, 2860, 3340, 3380, 3674, 3718, 4342, 4394, 7348, 7436, 8684, 8788, 9185, 9295, 10855, 10985, 18370, 18590, 21710, 21970, 23881, 24167, 28223, 36740, 37180, 43420, 43940, 47762, 48334, 56446, 95524, 96668, 112892, 119405, 120835, 141115, 238810, 241670, 282230, 310453, 366899, 477620, 483340, 564460, 620906, 733798, 1241812, 1467596, 1552265, 1834495, 3104530, 3668990, 4035889, 6209060, 7337980, 8071778, 16143556, 20179445, 40358890, 80717780]

約数ペア:

[(1, 80717780), (2, 40358890), (4, 20179445), (5, 16143556), (10, 8071778), (11, 7337980), (13, 6209060), (20, 4035889), (22, 3668990), (26, 3104530), (44, 1834495), (52, 1552265), (55, 1467596), (65, 1241812), (110, 733798), (130, 620906), (143, 564460), (167, 483340), (169, 477620), (220, 366899), (260, 310453), (286, 282230), (334, 241670), (338, 238810), (572, 141115), (668, 120835), (676, 119405), (715, 112892), (835, 96668), (845, 95524), (1430, 56446), (1670, 48334), (1690, 47762), (1837, 43940), (1859, 43420), (2171, 37180), (2197, 36740), (2860, 28223), (3340, 24167), (3380, 23881), (3674, 21970), (3718, 21710), (4342, 18590), (4394, 18370), (7348, 10985), (7436, 10855), (8684, 9295), (8788, 9185)]