15520590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 40553136

約数和(自身を除く): 25032546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 521, 662, 993, 1042, 1563, 1655, 1986, 2605, 2979, 3126, 3310, 4689, 4965, 5210, 5958, 7815, 9378, 9930, 14895, 15630, 23445, 29790, 46890, 172451, 344902, 517353, 862255, 1034706, 1552059, 1724510, 2586765, 3104118, 5173530, 7760295, 15520590]

約数ペア:

[(1, 15520590), (2, 7760295), (3, 5173530), (5, 3104118), (6, 2586765), (9, 1724510), (10, 1552059), (15, 1034706), (18, 862255), (30, 517353), (45, 344902), (90, 172451), (331, 46890), (521, 29790), (662, 23445), (993, 15630), (1042, 14895), (1563, 9930), (1655, 9378), (1986, 7815), (2605, 5958), (2979, 5210), (3126, 4965), (3310, 4689)]