15566980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5443}}^1$

素因数の和:5476

約数の個数: 48

約数和(自身を含む): 38412864

約数和(自身を除く): 22845884

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 5443, 10886, 21772, 27215, 54430, 59873, 70759, 108860, 119746, 141518, 239492, 283036, 299365, 353795, 598730, 707590, 778349, 1197460, 1415180, 1556698, 3113396, 3891745, 7783490, 15566980]

約数ペア:

[(1, 15566980), (2, 7783490), (4, 3891745), (5, 3113396), (10, 1556698), (11, 1415180), (13, 1197460), (20, 778349), (22, 707590), (26, 598730), (44, 353795), (52, 299365), (55, 283036), (65, 239492), (110, 141518), (130, 119746), (143, 108860), (220, 70759), (260, 59873), (286, 54430), (572, 27215), (715, 21772), (1430, 10886), (2860, 5443)]