909009280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45817}}^1$

素因数の和:45867

約数の個数: 64

約数和(自身を含む): 2243249280

約数和(自身を除く): 1334240000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 45817, 91634, 183268, 229085, 366536, 458170, 733072, 916340, 1420327, 1466144, 1832680, 2840654, 2932288, 3665360, 5681308, 5864576, 7101635, 7330720, 11362616, 14203270, 14661440, 22725232, 28406540, 29322880, 45450464, 56813080, 90900928, 113626160, 181801856, 227252320, 454504640, 909009280]

約数ペア:

[(1, 909009280), (2, 454504640), (4, 227252320), (5, 181801856), (8, 113626160), (10, 90900928), (16, 56813080), (20, 45450464), (31, 29322880), (32, 28406540), (40, 22725232), (62, 14661440), (64, 14203270), (80, 11362616), (124, 7330720), (128, 7101635), (155, 5864576), (160, 5681308), (248, 3665360), (310, 2932288), (320, 2840654), (496, 1832680), (620, 1466144), (640, 1420327), (992, 916340), (1240, 733072), (1984, 458170), (2480, 366536), (3968, 229085), (4960, 183268), (9920, 91634), (19840, 45817)]