280567360

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28283}}^1$

素因数の和:28331

約数の個数: 56

約数和(自身を含む): 689677056

約数和(自身を除く): 409109696

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, 28283, 56566, 113132, 141415, 226264, 282830, 452528, 565660, 876773, 905056, 1131320, 1753546, 1810112, 2262640, 3507092, 4383865, 4525280, 7014184, 8767730, 9050560, 14028368, 17535460, 28056736, 35070920, 56113472, 70141840, 140283680, 280567360]

約数ペア:

[(1, 280567360), (2, 140283680), (4, 70141840), (5, 56113472), (8, 35070920), (10, 28056736), (16, 17535460), (20, 14028368), (31, 9050560), (32, 8767730), (40, 7014184), (62, 4525280), (64, 4383865), (80, 3507092), (124, 2262640), (155, 1810112), (160, 1753546), (248, 1131320), (310, 905056), (320, 876773), (496, 565660), (620, 452528), (992, 282830), (1240, 226264), (1984, 141415), (2480, 113132), (4960, 56566), (9920, 28283)]