90609280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4567}}^1$

素因数の和:4617

約数の個数: 64

約数和(自身を含む): 223649280

約数和(自身を除く): 133040000

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, 4567, 4960, 9134, 9920, 18268, 19840, 22835, 36536, 45670, 73072, 91340, 141577, 146144, 182680, 283154, 292288, 365360, 566308, 584576, 707885, 730720, 1132616, 1415770, 1461440, 2265232, 2831540, 2922880, 4530464, 5663080, 9060928, 11326160, 18121856, 22652320, 45304640, 90609280]

約数ペア:

[(1, 90609280), (2, 45304640), (4, 22652320), (5, 18121856), (8, 11326160), (10, 9060928), (16, 5663080), (20, 4530464), (31, 2922880), (32, 2831540), (40, 2265232), (62, 1461440), (64, 1415770), (80, 1132616), (124, 730720), (128, 707885), (155, 584576), (160, 566308), (248, 365360), (310, 292288), (320, 283154), (496, 182680), (620, 146144), (640, 141577), (992, 91340), (1240, 73072), (1984, 45670), (2480, 36536), (3968, 22835), (4567, 19840), (4960, 18268), (9134, 9920)]