147680920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4519}}^1$

素因数の和:4592

約数の個数: 64

約数和(自身を含む): 357984000

約数和(自身を除く): 210303080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 4519, 6536, 8170, 9038, 16340, 18076, 22595, 32680, 36152, 45190, 85861, 90380, 171722, 180760, 194317, 343444, 388634, 429305, 686888, 777268, 858610, 971585, 1554536, 1717220, 1943170, 3434440, 3692023, 3886340, 7384046, 7772680, 14768092, 18460115, 29536184, 36920230, 73840460, 147680920]

約数ペア:

[(1, 147680920), (2, 73840460), (4, 36920230), (5, 29536184), (8, 18460115), (10, 14768092), (19, 7772680), (20, 7384046), (38, 3886340), (40, 3692023), (43, 3434440), (76, 1943170), (86, 1717220), (95, 1554536), (152, 971585), (172, 858610), (190, 777268), (215, 686888), (344, 429305), (380, 388634), (430, 343444), (760, 194317), (817, 180760), (860, 171722), (1634, 90380), (1720, 85861), (3268, 45190), (4085, 36152), (4519, 32680), (6536, 22595), (8170, 18076), (9038, 16340)]