15057140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 36457344

約数和(自身を除く): 21400204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 821, 917, 1310, 1642, 1834, 2620, 3284, 3668, 4105, 4585, 5747, 8210, 9170, 11494, 16420, 18340, 22988, 28735, 57470, 107551, 114940, 215102, 430204, 537755, 752857, 1075510, 1505714, 2151020, 3011428, 3764285, 7528570, 15057140]

約数ペア:

[(1, 15057140), (2, 7528570), (4, 3764285), (5, 3011428), (7, 2151020), (10, 1505714), (14, 1075510), (20, 752857), (28, 537755), (35, 430204), (70, 215102), (131, 114940), (140, 107551), (262, 57470), (524, 28735), (655, 22988), (821, 18340), (917, 16420), (1310, 11494), (1642, 9170), (1834, 8210), (2620, 5747), (3284, 4585), (3668, 4105)]