15092620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 32810400

約数和(自身を除く): 17717780

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 139, 178, 244, 278, 305, 356, 445, 556, 610, 695, 890, 1220, 1390, 1780, 2780, 5429, 8479, 10858, 12371, 16958, 21716, 24742, 27145, 33916, 42395, 49484, 54290, 61855, 84790, 108580, 123710, 169580, 247420, 754631, 1509262, 3018524, 3773155, 7546310, 15092620]

約数ペア:

[(1, 15092620), (2, 7546310), (4, 3773155), (5, 3018524), (10, 1509262), (20, 754631), (61, 247420), (89, 169580), (122, 123710), (139, 108580), (178, 84790), (244, 61855), (278, 54290), (305, 49484), (356, 42395), (445, 33916), (556, 27145), (610, 24742), (695, 21716), (890, 16958), (1220, 12371), (1390, 10858), (1780, 8479), (2780, 5429)]