128769420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165089}}^1$

素因数の和:165114

約数の個数: 48

約数和(自身を含む): 388291680

約数和(自身を除く): 259522260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 165089, 330178, 495267, 660356, 825445, 990534, 1650890, 1981068, 2146157, 2476335, 3301780, 4292314, 4952670, 6438471, 8584628, 9905340, 10730785, 12876942, 21461570, 25753884, 32192355, 42923140, 64384710, 128769420]

約数ペア:

[(1, 128769420), (2, 64384710), (3, 42923140), (4, 32192355), (5, 25753884), (6, 21461570), (10, 12876942), (12, 10730785), (13, 9905340), (15, 8584628), (20, 6438471), (26, 4952670), (30, 4292314), (39, 3301780), (52, 2476335), (60, 2146157), (65, 1981068), (78, 1650890), (130, 990534), (156, 825445), (195, 660356), (260, 495267), (390, 330178), (780, 165089)]