16757980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 20013860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 179, 302, 310, 358, 604, 620, 716, 755, 895, 1510, 1790, 3020, 3580, 4681, 5549, 9362, 11098, 18724, 22196, 23405, 27029, 27745, 46810, 54058, 55490, 93620, 108116, 110980, 135145, 270290, 540580, 837899, 1675798, 3351596, 4189495, 8378990, 16757980]

約数ペア:

[(1, 16757980), (2, 8378990), (4, 4189495), (5, 3351596), (10, 1675798), (20, 837899), (31, 540580), (62, 270290), (124, 135145), (151, 110980), (155, 108116), (179, 93620), (302, 55490), (310, 54058), (358, 46810), (604, 27745), (620, 27029), (716, 23405), (755, 22196), (895, 18724), (1510, 11098), (1790, 9362), (3020, 5549), (3580, 4681)]