155039680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15629}}^1$

素因数の和:15677

約数の個数: 56

約数和(自身を含む): 381121920

約数和(自身を除く): 226082240

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, 15629, 31258, 62516, 78145, 125032, 156290, 250064, 312580, 484499, 500128, 625160, 968998, 1000256, 1250320, 1937996, 2422495, 2500640, 3875992, 4844990, 5001280, 7751984, 9689980, 15503968, 19379960, 31007936, 38759920, 77519840, 155039680]

約数ペア:

[(1, 155039680), (2, 77519840), (4, 38759920), (5, 31007936), (8, 19379960), (10, 15503968), (16, 9689980), (20, 7751984), (31, 5001280), (32, 4844990), (40, 3875992), (62, 2500640), (64, 2422495), (80, 1937996), (124, 1250320), (155, 1000256), (160, 968998), (248, 625160), (310, 500128), (320, 484499), (496, 312580), (620, 250064), (992, 156290), (1240, 125032), (1984, 78145), (2480, 62516), (4960, 31258), (9920, 15629)]