421099920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2939}}^1$

素因数の和:3157

約数の個数: 120

約数和(自身を含む): 1421784000

約数和(自身を除く): 1000684080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 597, 720, 796, 995, 1194, 1592, 1791, 1990, 2388, 2939, 2985, 3184, 3582, 3980, 4776, 5878, 5970, 7164, 7960, 8817, 8955, 9552, 11756, 11940, 14328, 14695, 15920, 17634, 17910, 23512, 23880, 26451, 28656, 29390, 35268, 35820, 44085, 47024, 47760, 52902, 58780, 70536, 71640, 88170, 105804, 117560, 132255, 141072, 143280, 176340, 211608, 235120, 264510, 352680, 423216, 529020, 584861, 705360, 1058040, 1169722, 1754583, 2116080, 2339444, 2924305, 3509166, 4678888, 5263749, 5848610, 7018332, 8772915, 9357776, 10527498, 11697220, 14036664, 17545830, 21054996, 23394440, 26318745, 28073328, 35091660, 42109992, 46788880, 52637490, 70183320, 84219984, 105274980, 140366640, 210549960, 421099920]

約数ペア:

[(1, 421099920), (2, 210549960), (3, 140366640), (4, 105274980), (5, 84219984), (6, 70183320), (8, 52637490), (9, 46788880), (10, 42109992), (12, 35091660), (15, 28073328), (16, 26318745), (18, 23394440), (20, 21054996), (24, 17545830), (30, 14036664), (36, 11697220), (40, 10527498), (45, 9357776), (48, 8772915), (60, 7018332), (72, 5848610), (80, 5263749), (90, 4678888), (120, 3509166), (144, 2924305), (180, 2339444), (199, 2116080), (240, 1754583), (360, 1169722), (398, 1058040), (597, 705360), (720, 584861), (796, 529020), (995, 423216), (1194, 352680), (1592, 264510), (1791, 235120), (1990, 211608), (2388, 176340), (2939, 143280), (2985, 141072), (3184, 132255), (3582, 117560), (3980, 105804), (4776, 88170), (5878, 71640), (5970, 70536), (7164, 58780), (7960, 52902), (8817, 47760), (8955, 47024), (9552, 44085), (11756, 35820), (11940, 35268), (14328, 29390), (14695, 28656), (15920, 26451), (17634, 23880), (17910, 23512)]