728455360

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73433}}^1$

素因数の和:73481

約数の個数: 56

約数和(自身を含む): 1790614656

約数和(自身を除く): 1062159296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 73433, 146866, 293732, 367165, 587464, 734330, 1174928, 1468660, 2276423, 2349856, 2937320, 4552846, 4699712, 5874640, 9105692, 11382115, 11749280, 18211384, 22764230, 23498560, 36422768, 45528460, 72845536, 91056920, 145691072, 182113840, 364227680, 728455360]

約数ペア:

[(1, 728455360), (2, 364227680), (4, 182113840), (5, 145691072), (8, 91056920), (10, 72845536), (16, 45528460), (20, 36422768), (31, 23498560), (32, 22764230), (40, 18211384), (62, 11749280), (64, 11382115), (80, 9105692), (124, 5874640), (155, 4699712), (160, 4552846), (248, 2937320), (310, 2349856), (320, 2276423), (496, 1468660), (620, 1174928), (992, 734330), (1240, 587464), (1984, 367165), (2480, 293732), (4960, 146866), (9920, 73433)]