4920391920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661343}}^1$

素因数の和:661390

約数の個数: 80

約数和(自身を含む): 15745277952

約数和(自身を除く): 10824886032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 661343, 1322686, 1984029, 2645372, 3306715, 3968058, 5290744, 6613430, 7936116, 9920145, 10581488, 13226860, 15872232, 19840290, 20501633, 26453720, 31744464, 39680580, 41003266, 52907440, 61504899, 79361160, 82006532, 102508165, 123009798, 158722320, 164013064, 205016330, 246019596, 307524495, 328026128, 410032660, 492039192, 615048990, 820065320, 984078384, 1230097980, 1640130640, 2460195960, 4920391920]

約数ペア:

[(1, 4920391920), (2, 2460195960), (3, 1640130640), (4, 1230097980), (5, 984078384), (6, 820065320), (8, 615048990), (10, 492039192), (12, 410032660), (15, 328026128), (16, 307524495), (20, 246019596), (24, 205016330), (30, 164013064), (31, 158722320), (40, 123009798), (48, 102508165), (60, 82006532), (62, 79361160), (80, 61504899), (93, 52907440), (120, 41003266), (124, 39680580), (155, 31744464), (186, 26453720), (240, 20501633), (248, 19840290), (310, 15872232), (372, 13226860), (465, 10581488), (496, 9920145), (620, 7936116), (744, 6613430), (930, 5290744), (1240, 3968058), (1488, 3306715), (1860, 2645372), (2480, 1984029), (3720, 1322686), (7440, 661343)]