291964920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1125

約数の個数: 128

約数和(自身を含む): 948810240

約数和(自身を除く): 656845320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 211, 260, 312, 390, 422, 520, 633, 780, 844, 887, 1055, 1266, 1560, 1688, 1774, 2110, 2532, 2661, 2743, 3165, 3548, 4220, 4435, 5064, 5322, 5486, 6330, 7096, 8229, 8440, 8870, 10644, 10972, 11531, 12660, 13305, 13715, 16458, 17740, 21288, 21944, 23062, 25320, 26610, 27430, 32916, 34593, 35480, 41145, 46124, 53220, 54860, 57655, 65832, 69186, 82290, 92248, 106440, 109720, 115310, 138372, 164580, 172965, 187157, 230620, 276744, 329160, 345930, 374314, 461240, 561471, 691860, 748628, 935785, 1122942, 1383720, 1497256, 1871570, 2245884, 2433041, 2807355, 3743140, 4491768, 4866082, 5614710, 7299123, 7486280, 9732164, 11229420, 12165205, 14598246, 19464328, 22458840, 24330410, 29196492, 36495615, 48660820, 58392984, 72991230, 97321640, 145982460, 291964920]

約数ペア:

[(1, 291964920), (2, 145982460), (3, 97321640), (4, 72991230), (5, 58392984), (6, 48660820), (8, 36495615), (10, 29196492), (12, 24330410), (13, 22458840), (15, 19464328), (20, 14598246), (24, 12165205), (26, 11229420), (30, 9732164), (39, 7486280), (40, 7299123), (52, 5614710), (60, 4866082), (65, 4491768), (78, 3743140), (104, 2807355), (120, 2433041), (130, 2245884), (156, 1871570), (195, 1497256), (211, 1383720), (260, 1122942), (312, 935785), (390, 748628), (422, 691860), (520, 561471), (633, 461240), (780, 374314), (844, 345930), (887, 329160), (1055, 276744), (1266, 230620), (1560, 187157), (1688, 172965), (1774, 164580), (2110, 138372), (2532, 115310), (2661, 109720), (2743, 106440), (3165, 92248), (3548, 82290), (4220, 69186), (4435, 65832), (5064, 57655), (5322, 54860), (5486, 53220), (6330, 46124), (7096, 41145), (8229, 35480), (8440, 34593), (8870, 32916), (10644, 27430), (10972, 26610), (11531, 25320), (12660, 23062), (13305, 21944), (13715, 21288), (16458, 17740)]