168468880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67931}}^1$

素因数の和:67975

約数の個数: 40

約数和(自身を含む): 404331264

約数和(自身を除く): 235862384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 67931, 135862, 271724, 339655, 543448, 679310, 1086896, 1358620, 2105861, 2717240, 4211722, 5434480, 8423444, 10529305, 16846888, 21058610, 33693776, 42117220, 84234440, 168468880]

約数ペア:

[(1, 168468880), (2, 84234440), (4, 42117220), (5, 33693776), (8, 21058610), (10, 16846888), (16, 10529305), (20, 8423444), (31, 5434480), (40, 4211722), (62, 2717240), (80, 2105861), (124, 1358620), (155, 1086896), (248, 679310), (310, 543448), (496, 339655), (620, 271724), (1240, 135862), (2480, 67931)]