8961680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 25665024

約数和(自身を除く): 16703344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1231, 1456, 1820, 2462, 3640, 4924, 6155, 7280, 8617, 9848, 12310, 16003, 17234, 19696, 24620, 32006, 34468, 43085, 49240, 64012, 68936, 80015, 86170, 98480, 112021, 128024, 137872, 160030, 172340, 224042, 256048, 320060, 344680, 448084, 560105, 640120, 689360, 896168, 1120210, 1280240, 1792336, 2240420, 4480840, 8961680]

約数ペア:

[(1, 8961680), (2, 4480840), (4, 2240420), (5, 1792336), (7, 1280240), (8, 1120210), (10, 896168), (13, 689360), (14, 640120), (16, 560105), (20, 448084), (26, 344680), (28, 320060), (35, 256048), (40, 224042), (52, 172340), (56, 160030), (65, 137872), (70, 128024), (80, 112021), (91, 98480), (104, 86170), (112, 80015), (130, 68936), (140, 64012), (182, 49240), (208, 43085), (260, 34468), (280, 32006), (364, 24620), (455, 19696), (520, 17234), (560, 16003), (728, 12310), (910, 9848), (1040, 8617), (1231, 7280), (1456, 6155), (1820, 4924), (2462, 3640)]