161213520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:509

約数の個数: 160

約数和(自身を含む): 543215232

約数和(自身を除く): 382001712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 163, 195, 208, 240, 260, 312, 317, 326, 390, 489, 520, 624, 634, 652, 780, 815, 951, 978, 1040, 1268, 1304, 1560, 1585, 1630, 1902, 1956, 2119, 2445, 2536, 2608, 3120, 3170, 3260, 3804, 3912, 4121, 4238, 4755, 4890, 5072, 6340, 6357, 6520, 7608, 7824, 8242, 8476, 9510, 9780, 10595, 12363, 12680, 12714, 13040, 15216, 16484, 16952, 19020, 19560, 20605, 21190, 24726, 25360, 25428, 31785, 32968, 33904, 38040, 39120, 41210, 42380, 49452, 50856, 51671, 61815, 63570, 65936, 76080, 82420, 84760, 98904, 101712, 103342, 123630, 127140, 155013, 164840, 169520, 197808, 206684, 247260, 254280, 258355, 310026, 329680, 413368, 494520, 508560, 516710, 620052, 671723, 775065, 826736, 989040, 1033420, 1240104, 1343446, 1550130, 2015169, 2066840, 2480208, 2686892, 3100260, 3358615, 4030338, 4133680, 5373784, 6200520, 6717230, 8060676, 10075845, 10747568, 12401040, 13434460, 16121352, 20151690, 26868920, 32242704, 40303380, 53737840, 80606760, 161213520]

約数ペア:

[(1, 161213520), (2, 80606760), (3, 53737840), (4, 40303380), (5, 32242704), (6, 26868920), (8, 20151690), (10, 16121352), (12, 13434460), (13, 12401040), (15, 10747568), (16, 10075845), (20, 8060676), (24, 6717230), (26, 6200520), (30, 5373784), (39, 4133680), (40, 4030338), (48, 3358615), (52, 3100260), (60, 2686892), (65, 2480208), (78, 2066840), (80, 2015169), (104, 1550130), (120, 1343446), (130, 1240104), (156, 1033420), (163, 989040), (195, 826736), (208, 775065), (240, 671723), (260, 620052), (312, 516710), (317, 508560), (326, 494520), (390, 413368), (489, 329680), (520, 310026), (624, 258355), (634, 254280), (652, 247260), (780, 206684), (815, 197808), (951, 169520), (978, 164840), (1040, 155013), (1268, 127140), (1304, 123630), (1560, 103342), (1585, 101712), (1630, 98904), (1902, 84760), (1956, 82420), (2119, 76080), (2445, 65936), (2536, 63570), (2608, 61815), (3120, 51671), (3170, 50856), (3260, 49452), (3804, 42380), (3912, 41210), (4121, 39120), (4238, 38040), (4755, 33904), (4890, 32968), (5072, 31785), (6340, 25428), (6357, 25360), (6520, 24726), (7608, 21190), (7824, 20605), (8242, 19560), (8476, 19020), (9510, 16952), (9780, 16484), (10595, 15216), (12363, 13040), (12680, 12714)]