15663680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1627

約数の個数: 56

約数和(自身を含む): 38526720

約数和(自身を除く): 22863040

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, 1579, 1984, 2480, 3158, 4960, 6316, 7895, 9920, 12632, 15790, 25264, 31580, 48949, 50528, 63160, 97898, 101056, 126320, 195796, 244745, 252640, 391592, 489490, 505280, 783184, 978980, 1566368, 1957960, 3132736, 3915920, 7831840, 15663680]

約数ペア:

[(1, 15663680), (2, 7831840), (4, 3915920), (5, 3132736), (8, 1957960), (10, 1566368), (16, 978980), (20, 783184), (31, 505280), (32, 489490), (40, 391592), (62, 252640), (64, 244745), (80, 195796), (124, 126320), (155, 101056), (160, 97898), (248, 63160), (310, 50528), (320, 48949), (496, 31580), (620, 25264), (992, 15790), (1240, 12632), (1579, 9920), (1984, 7895), (2480, 6316), (3158, 4960)]