15664060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 18809540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 226, 239, 290, 452, 478, 565, 580, 956, 1130, 1195, 2260, 2390, 3277, 4780, 6554, 6931, 13108, 13862, 16385, 27007, 27724, 32770, 34655, 54014, 65540, 69310, 108028, 135035, 138620, 270070, 540140, 783203, 1566406, 3132812, 3916015, 7832030, 15664060]

約数ペア:

[(1, 15664060), (2, 7832030), (4, 3916015), (5, 3132812), (10, 1566406), (20, 783203), (29, 540140), (58, 270070), (113, 138620), (116, 135035), (145, 108028), (226, 69310), (239, 65540), (290, 54014), (452, 34655), (478, 32770), (565, 27724), (580, 27007), (956, 16385), (1130, 13862), (1195, 13108), (2260, 6931), (2390, 6554), (3277, 4780)]