2509260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3217}}^1$

素因数の和:3242

約数の個数: 48

約数和(自身を含む): 7568736

約数和(自身を除く): 5059476

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, 3217, 6434, 9651, 12868, 16085, 19302, 32170, 38604, 41821, 48255, 64340, 83642, 96510, 125463, 167284, 193020, 209105, 250926, 418210, 501852, 627315, 836420, 1254630, 2509260]

約数ペア:

[(1, 2509260), (2, 1254630), (3, 836420), (4, 627315), (5, 501852), (6, 418210), (10, 250926), (12, 209105), (13, 193020), (15, 167284), (20, 125463), (26, 96510), (30, 83642), (39, 64340), (52, 48255), (60, 41821), (65, 38604), (78, 32170), (130, 19302), (156, 16085), (195, 12868), (260, 9651), (390, 6434), (780, 3217)]