409276920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1571}}^1$

素因数の和:1765

約数の個数: 128

約数和(自身を含む): 1331043840

約数和(自身を除く): 921766920

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, 167, 195, 260, 312, 334, 390, 501, 520, 668, 780, 835, 1002, 1336, 1560, 1571, 1670, 2004, 2171, 2505, 3142, 3340, 4008, 4342, 4713, 5010, 6284, 6513, 6680, 7855, 8684, 9426, 10020, 10855, 12568, 13026, 15710, 17368, 18852, 20040, 20423, 21710, 23565, 26052, 31420, 32565, 37704, 40846, 43420, 47130, 52104, 61269, 62840, 65130, 81692, 86840, 94260, 102115, 122538, 130260, 163384, 188520, 204230, 245076, 260520, 262357, 306345, 408460, 490152, 524714, 612690, 787071, 816920, 1049428, 1225380, 1311785, 1574142, 2098856, 2450760, 2623570, 3148284, 3410641, 3935355, 5247140, 6296568, 6821282, 7870710, 10231923, 10494280, 13642564, 15741420, 17053205, 20463846, 27285128, 31482840, 34106410, 40927692, 51159615, 68212820, 81855384, 102319230, 136425640, 204638460, 409276920]

約数ペア:

[(1, 409276920), (2, 204638460), (3, 136425640), (4, 102319230), (5, 81855384), (6, 68212820), (8, 51159615), (10, 40927692), (12, 34106410), (13, 31482840), (15, 27285128), (20, 20463846), (24, 17053205), (26, 15741420), (30, 13642564), (39, 10494280), (40, 10231923), (52, 7870710), (60, 6821282), (65, 6296568), (78, 5247140), (104, 3935355), (120, 3410641), (130, 3148284), (156, 2623570), (167, 2450760), (195, 2098856), (260, 1574142), (312, 1311785), (334, 1225380), (390, 1049428), (501, 816920), (520, 787071), (668, 612690), (780, 524714), (835, 490152), (1002, 408460), (1336, 306345), (1560, 262357), (1571, 260520), (1670, 245076), (2004, 204230), (2171, 188520), (2505, 163384), (3142, 130260), (3340, 122538), (4008, 102115), (4342, 94260), (4713, 86840), (5010, 81692), (6284, 65130), (6513, 62840), (6680, 61269), (7855, 52104), (8684, 47130), (9426, 43420), (10020, 40846), (10855, 37704), (12568, 32565), (13026, 31420), (15710, 26052), (17368, 23565), (18852, 21710), (20040, 20423)]