1528781120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{154111}}^1$

素因数の和:154159

約数の個数: 56

約数和(自身を含む): 3757867008

約数和(自身を除く): 2229085888

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, 154111, 308222, 616444, 770555, 1232888, 1541110, 2465776, 3082220, 4777441, 4931552, 6164440, 9554882, 9863104, 12328880, 19109764, 23887205, 24657760, 38219528, 47774410, 49315520, 76439056, 95548820, 152878112, 191097640, 305756224, 382195280, 764390560, 1528781120]

約数ペア:

[(1, 1528781120), (2, 764390560), (4, 382195280), (5, 305756224), (8, 191097640), (10, 152878112), (16, 95548820), (20, 76439056), (31, 49315520), (32, 47774410), (40, 38219528), (62, 24657760), (64, 23887205), (80, 19109764), (124, 12328880), (155, 9863104), (160, 9554882), (248, 6164440), (310, 4931552), (320, 4777441), (496, 3082220), (620, 2465776), (992, 1541110), (1240, 1232888), (1984, 770555), (2480, 616444), (4960, 308222), (9920, 154111)]