16669240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 44049600

約数和(自身を除く): 27380360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 1609, 2072, 2590, 3218, 5180, 6436, 8045, 10360, 11263, 12872, 16090, 22526, 32180, 45052, 56315, 59533, 64360, 90104, 112630, 119066, 225260, 238132, 297665, 416731, 450520, 476264, 595330, 833462, 1190660, 1666924, 2083655, 2381320, 3333848, 4167310, 8334620, 16669240]

約数ペア:

[(1, 16669240), (2, 8334620), (4, 4167310), (5, 3333848), (7, 2381320), (8, 2083655), (10, 1666924), (14, 1190660), (20, 833462), (28, 595330), (35, 476264), (37, 450520), (40, 416731), (56, 297665), (70, 238132), (74, 225260), (140, 119066), (148, 112630), (185, 90104), (259, 64360), (280, 59533), (296, 56315), (370, 45052), (518, 32180), (740, 22526), (1036, 16090), (1295, 12872), (1480, 11263), (1609, 10360), (2072, 8045), (2590, 6436), (3218, 5180)]