291711720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:547

約数の個数: 128

約数和(自身を含む): 903934080

約数和(自身を除く): 612222360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 211, 246, 281, 328, 410, 422, 492, 562, 615, 633, 820, 843, 844, 984, 1055, 1124, 1230, 1266, 1405, 1640, 1686, 1688, 2110, 2248, 2460, 2532, 2810, 3165, 3372, 4215, 4220, 4920, 5064, 5620, 6330, 6744, 8430, 8440, 8651, 11240, 11521, 12660, 16860, 17302, 23042, 25320, 25953, 33720, 34563, 34604, 43255, 46084, 51906, 57605, 59291, 69126, 69208, 86510, 92168, 103812, 115210, 118582, 129765, 138252, 172815, 173020, 177873, 207624, 230420, 237164, 259530, 276504, 296455, 345630, 346040, 355746, 460840, 474328, 519060, 592910, 691260, 711492, 889365, 1038120, 1185820, 1382520, 1422984, 1778730, 2371640, 2430931, 3557460, 4861862, 7114920, 7292793, 9723724, 12154655, 14585586, 19447448, 24309310, 29171172, 36463965, 48618620, 58342344, 72927930, 97237240, 145855860, 291711720]

約数ペア:

[(1, 291711720), (2, 145855860), (3, 97237240), (4, 72927930), (5, 58342344), (6, 48618620), (8, 36463965), (10, 29171172), (12, 24309310), (15, 19447448), (20, 14585586), (24, 12154655), (30, 9723724), (40, 7292793), (41, 7114920), (60, 4861862), (82, 3557460), (120, 2430931), (123, 2371640), (164, 1778730), (205, 1422984), (211, 1382520), (246, 1185820), (281, 1038120), (328, 889365), (410, 711492), (422, 691260), (492, 592910), (562, 519060), (615, 474328), (633, 460840), (820, 355746), (843, 346040), (844, 345630), (984, 296455), (1055, 276504), (1124, 259530), (1230, 237164), (1266, 230420), (1405, 207624), (1640, 177873), (1686, 173020), (1688, 172815), (2110, 138252), (2248, 129765), (2460, 118582), (2532, 115210), (2810, 103812), (3165, 92168), (3372, 86510), (4215, 69208), (4220, 69126), (4920, 59291), (5064, 57605), (5620, 51906), (6330, 46084), (6744, 43255), (8430, 34604), (8440, 34563), (8651, 33720), (11240, 25953), (11521, 25320), (12660, 23042), (16860, 17302)]