164309920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 405167616

約数和(自身を除く): 240857696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 157, 160, 211, 248, 310, 314, 422, 496, 620, 628, 785, 844, 992, 1055, 1240, 1256, 1570, 1688, 2110, 2480, 2512, 3140, 3376, 4220, 4867, 4960, 5024, 6280, 6541, 6752, 8440, 9734, 12560, 13082, 16880, 19468, 24335, 25120, 26164, 32705, 33127, 33760, 38936, 48670, 52328, 65410, 66254, 77872, 97340, 104656, 130820, 132508, 155744, 165635, 194680, 209312, 261640, 265016, 331270, 389360, 523280, 530032, 662540, 778720, 1026937, 1046560, 1060064, 1325080, 2053874, 2650160, 4107748, 5134685, 5300320, 8215496, 10269370, 16430992, 20538740, 32861984, 41077480, 82154960, 164309920]

約数ペア:

[(1, 164309920), (2, 82154960), (4, 41077480), (5, 32861984), (8, 20538740), (10, 16430992), (16, 10269370), (20, 8215496), (31, 5300320), (32, 5134685), (40, 4107748), (62, 2650160), (80, 2053874), (124, 1325080), (155, 1060064), (157, 1046560), (160, 1026937), (211, 778720), (248, 662540), (310, 530032), (314, 523280), (422, 389360), (496, 331270), (620, 265016), (628, 261640), (785, 209312), (844, 194680), (992, 165635), (1055, 155744), (1240, 132508), (1256, 130820), (1570, 104656), (1688, 97340), (2110, 77872), (2480, 66254), (2512, 65410), (3140, 52328), (3376, 48670), (4220, 38936), (4867, 33760), (4960, 33127), (5024, 32705), (6280, 26164), (6541, 25120), (6752, 24335), (8440, 19468), (9734, 16880), (12560, 13082)]