15142120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 24774680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1319, 1435, 1640, 2296, 2638, 2870, 5276, 5740, 6595, 9233, 10552, 11480, 13190, 18466, 26380, 36932, 46165, 52760, 54079, 73864, 92330, 108158, 184660, 216316, 270395, 369320, 378553, 432632, 540790, 757106, 1081580, 1514212, 1892765, 2163160, 3028424, 3785530, 7571060, 15142120]

約数ペア:

[(1, 15142120), (2, 7571060), (4, 3785530), (5, 3028424), (7, 2163160), (8, 1892765), (10, 1514212), (14, 1081580), (20, 757106), (28, 540790), (35, 432632), (40, 378553), (41, 369320), (56, 270395), (70, 216316), (82, 184660), (140, 108158), (164, 92330), (205, 73864), (280, 54079), (287, 52760), (328, 46165), (410, 36932), (574, 26380), (820, 18466), (1148, 13190), (1319, 11480), (1435, 10552), (1640, 9233), (2296, 6595), (2638, 5740), (2870, 5276)]