80784315

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 145297152

約数和(自身を除く): 64512837

約数列:

[1, 3, 5, 9, 15, 43, 45, 83, 129, 215, 249, 387, 415, 503, 645, 747, 1245, 1509, 1935, 2515, 3569, 3735, 4527, 7545, 10707, 17845, 21629, 22635, 32121, 41749, 53535, 64887, 108145, 125247, 160605, 194661, 208745, 324435, 375741, 626235, 973305, 1795207, 1878705, 5385621, 8976035, 16156863, 26928105, 80784315]

約数ペア:

[(1, 80784315), (3, 26928105), (5, 16156863), (9, 8976035), (15, 5385621), (43, 1878705), (45, 1795207), (83, 973305), (129, 626235), (215, 375741), (249, 324435), (387, 208745), (415, 194661), (503, 160605), (645, 125247), (747, 108145), (1245, 64887), (1509, 53535), (1935, 41749), (2515, 32121), (3569, 22635), (3735, 21629), (4527, 17845), (7545, 10707)]