31505080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 75932640

約数和(自身を除く): 44427560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 428, 433, 535, 680, 856, 866, 1070, 1732, 1819, 2140, 2165, 3464, 3638, 4280, 4330, 7276, 7361, 8660, 9095, 14552, 14722, 17320, 18190, 29444, 36380, 36805, 46331, 58888, 72760, 73610, 92662, 147220, 185324, 231655, 294440, 370648, 463310, 787627, 926620, 1575254, 1853240, 3150508, 3938135, 6301016, 7876270, 15752540, 31505080]

約数ペア:

[(1, 31505080), (2, 15752540), (4, 7876270), (5, 6301016), (8, 3938135), (10, 3150508), (17, 1853240), (20, 1575254), (34, 926620), (40, 787627), (68, 463310), (85, 370648), (107, 294440), (136, 231655), (170, 185324), (214, 147220), (340, 92662), (428, 73610), (433, 72760), (535, 58888), (680, 46331), (856, 36805), (866, 36380), (1070, 29444), (1732, 18190), (1819, 17320), (2140, 14722), (2165, 14552), (3464, 9095), (3638, 8660), (4280, 7361), (4330, 7276)]