15702940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 36306144

約数和(自身を除く): 20603204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 521, 548, 685, 1042, 1370, 1507, 2084, 2605, 2740, 3014, 5210, 5731, 6028, 7535, 10420, 11462, 15070, 22924, 28655, 30140, 57310, 71377, 114620, 142754, 285508, 356885, 713770, 785147, 1427540, 1570294, 3140588, 3925735, 7851470, 15702940]

約数ペア:

[(1, 15702940), (2, 7851470), (4, 3925735), (5, 3140588), (10, 1570294), (11, 1427540), (20, 785147), (22, 713770), (44, 356885), (55, 285508), (110, 142754), (137, 114620), (220, 71377), (274, 57310), (521, 30140), (548, 28655), (685, 22924), (1042, 15070), (1370, 11462), (1507, 10420), (2084, 7535), (2605, 6028), (2740, 5731), (3014, 5210)]