307624720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5581}}^1$

素因数の和:5660

約数の個数: 80

約数和(自身を含む): 784918512

約数和(自身を除く): 477293792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2756, 3445, 4240, 5512, 5581, 6890, 11024, 11162, 13780, 22324, 27560, 27905, 44648, 55120, 55810, 72553, 89296, 111620, 145106, 223240, 290212, 295793, 362765, 446480, 580424, 591586, 725530, 1160848, 1183172, 1451060, 1478965, 2366344, 2902120, 2957930, 3845309, 4732688, 5804240, 5915860, 7690618, 11831720, 15381236, 19226545, 23663440, 30762472, 38453090, 61524944, 76906180, 153812360, 307624720]

約数ペア:

[(1, 307624720), (2, 153812360), (4, 76906180), (5, 61524944), (8, 38453090), (10, 30762472), (13, 23663440), (16, 19226545), (20, 15381236), (26, 11831720), (40, 7690618), (52, 5915860), (53, 5804240), (65, 4732688), (80, 3845309), (104, 2957930), (106, 2902120), (130, 2366344), (208, 1478965), (212, 1451060), (260, 1183172), (265, 1160848), (424, 725530), (520, 591586), (530, 580424), (689, 446480), (848, 362765), (1040, 295793), (1060, 290212), (1378, 223240), (2120, 145106), (2756, 111620), (3445, 89296), (4240, 72553), (5512, 55810), (5581, 55120), (6890, 44648), (11024, 27905), (11162, 27560), (13780, 22324)]