177759920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2897}}^1$

素因数の和:2982

約数の個数: 80

約数和(自身を含む): 452783520

約数和(自身を除く): 275023600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2360, 2897, 3068, 3835, 4720, 5794, 6136, 7670, 11588, 12272, 14485, 15340, 23176, 28970, 30680, 37661, 46352, 57940, 61360, 75322, 115880, 150644, 170923, 188305, 231760, 301288, 341846, 376610, 602576, 683692, 753220, 854615, 1367384, 1506440, 1709230, 2221999, 2734768, 3012880, 3418460, 4443998, 6836920, 8887996, 11109995, 13673840, 17775992, 22219990, 35551984, 44439980, 88879960, 177759920]

約数ペア:

[(1, 177759920), (2, 88879960), (4, 44439980), (5, 35551984), (8, 22219990), (10, 17775992), (13, 13673840), (16, 11109995), (20, 8887996), (26, 6836920), (40, 4443998), (52, 3418460), (59, 3012880), (65, 2734768), (80, 2221999), (104, 1709230), (118, 1506440), (130, 1367384), (208, 854615), (236, 753220), (260, 683692), (295, 602576), (472, 376610), (520, 341846), (590, 301288), (767, 231760), (944, 188305), (1040, 170923), (1180, 150644), (1534, 115880), (2360, 75322), (2897, 61360), (3068, 57940), (3835, 46352), (4720, 37661), (5794, 30680), (6136, 28970), (7670, 23176), (11588, 15340), (12272, 14485)]