15110420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 34609680

約数和(自身を除く): 19499260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 653, 890, 1157, 1306, 1780, 2314, 2612, 3265, 4628, 5785, 6530, 8489, 11570, 13060, 16978, 23140, 33956, 42445, 58117, 84890, 116234, 169780, 232468, 290585, 581170, 755521, 1162340, 1511042, 3022084, 3777605, 7555210, 15110420]

約数ペア:

[(1, 15110420), (2, 7555210), (4, 3777605), (5, 3022084), (10, 1511042), (13, 1162340), (20, 755521), (26, 581170), (52, 290585), (65, 232468), (89, 169780), (130, 116234), (178, 84890), (260, 58117), (356, 42445), (445, 33956), (653, 23140), (890, 16978), (1157, 13060), (1306, 11570), (1780, 8489), (2314, 6530), (2612, 5785), (3265, 4628)]