15057020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 34927200

約数和(自身を除く): 19870180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 769, 890, 979, 1538, 1780, 1958, 3076, 3845, 3916, 4895, 7690, 8459, 9790, 15380, 16918, 19580, 33836, 42295, 68441, 84590, 136882, 169180, 273764, 342205, 684410, 752851, 1368820, 1505702, 3011404, 3764255, 7528510, 15057020]

約数ペア:

[(1, 15057020), (2, 7528510), (4, 3764255), (5, 3011404), (10, 1505702), (11, 1368820), (20, 752851), (22, 684410), (44, 342205), (55, 273764), (89, 169180), (110, 136882), (178, 84590), (220, 68441), (356, 42295), (445, 33836), (769, 19580), (890, 16918), (979, 15380), (1538, 9790), (1780, 8459), (1958, 7690), (3076, 4895), (3845, 3916)]