15868640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 39077640

約数和(自身を除く): 23209000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 59, 80, 82, 118, 160, 164, 205, 236, 295, 328, 410, 472, 590, 656, 820, 944, 1180, 1312, 1640, 1681, 1888, 2360, 2419, 3280, 3362, 4720, 4838, 6560, 6724, 8405, 9440, 9676, 12095, 13448, 16810, 19352, 24190, 26896, 33620, 38704, 48380, 53792, 67240, 77408, 96760, 99179, 134480, 193520, 198358, 268960, 387040, 396716, 495895, 793432, 991790, 1586864, 1983580, 3173728, 3967160, 7934320, 15868640]

約数ペア:

[(1, 15868640), (2, 7934320), (4, 3967160), (5, 3173728), (8, 1983580), (10, 1586864), (16, 991790), (20, 793432), (32, 495895), (40, 396716), (41, 387040), (59, 268960), (80, 198358), (82, 193520), (118, 134480), (160, 99179), (164, 96760), (205, 77408), (236, 67240), (295, 53792), (328, 48380), (410, 38704), (472, 33620), (590, 26896), (656, 24190), (820, 19352), (944, 16810), (1180, 13448), (1312, 12095), (1640, 9676), (1681, 9440), (1888, 8405), (2360, 6724), (2419, 6560), (3280, 4838), (3362, 4720)]