81308784

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1126

約数の個数: 80

約数和(自身を含む): 221128704

約数和(自身を除く): 139819920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 53, 62, 93, 106, 124, 159, 186, 212, 248, 318, 372, 424, 496, 636, 744, 848, 1031, 1272, 1488, 1643, 2062, 2544, 3093, 3286, 4124, 4929, 6186, 6572, 8248, 9858, 12372, 13144, 16496, 19716, 24744, 26288, 31961, 39432, 49488, 54643, 63922, 78864, 95883, 109286, 127844, 163929, 191766, 218572, 255688, 327858, 383532, 437144, 511376, 655716, 767064, 874288, 1311432, 1534128, 1693933, 2622864, 3387866, 5081799, 6775732, 10163598, 13551464, 20327196, 27102928, 40654392, 81308784]

約数ペア:

[(1, 81308784), (2, 40654392), (3, 27102928), (4, 20327196), (6, 13551464), (8, 10163598), (12, 6775732), (16, 5081799), (24, 3387866), (31, 2622864), (48, 1693933), (53, 1534128), (62, 1311432), (93, 874288), (106, 767064), (124, 655716), (159, 511376), (186, 437144), (212, 383532), (248, 327858), (318, 255688), (372, 218572), (424, 191766), (496, 163929), (636, 127844), (744, 109286), (848, 95883), (1031, 78864), (1272, 63922), (1488, 54643), (1643, 49488), (2062, 39432), (2544, 31961), (3093, 26288), (3286, 24744), (4124, 19716), (4929, 16496), (6186, 13144), (6572, 12372), (8248, 9858)]