247799120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 599342592

約数和(自身を除く): 351543472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 613, 620, 652, 815, 1226, 1240, 1304, 1630, 2452, 2480, 2608, 3065, 3260, 4904, 5053, 6130, 6520, 9808, 10106, 12260, 13040, 19003, 20212, 24520, 25265, 38006, 40424, 49040, 50530, 76012, 80848, 95015, 99919, 101060, 152024, 190030, 199838, 202120, 304048, 380060, 399676, 404240, 499595, 760120, 799352, 999190, 1520240, 1598704, 1998380, 3097489, 3996760, 6194978, 7993520, 12389956, 15487445, 24779912, 30974890, 49559824, 61949780, 123899560, 247799120]

約数ペア:

[(1, 247799120), (2, 123899560), (4, 61949780), (5, 49559824), (8, 30974890), (10, 24779912), (16, 15487445), (20, 12389956), (31, 7993520), (40, 6194978), (62, 3996760), (80, 3097489), (124, 1998380), (155, 1598704), (163, 1520240), (248, 999190), (310, 799352), (326, 760120), (496, 499595), (613, 404240), (620, 399676), (652, 380060), (815, 304048), (1226, 202120), (1240, 199838), (1304, 190030), (1630, 152024), (2452, 101060), (2480, 99919), (2608, 95015), (3065, 80848), (3260, 76012), (4904, 50530), (5053, 49040), (6130, 40424), (6520, 38006), (9808, 25265), (10106, 24520), (12260, 20212), (13040, 19003)]