320061255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 551992320

約数和(自身を除く): 231931065

約数列:

[1, 3, 5, 15, 29, 43, 71, 87, 129, 145, 213, 215, 241, 355, 435, 645, 723, 1065, 1205, 1247, 2059, 3053, 3615, 3741, 6177, 6235, 6989, 9159, 10295, 10363, 15265, 17111, 18705, 20967, 30885, 31089, 34945, 45795, 51333, 51815, 85555, 88537, 104835, 155445, 256665, 265611, 300527, 442685, 496219, 735773, 901581, 1328055, 1488657, 1502635, 2207319, 2481095, 3678865, 4507905, 7443285, 11036595, 21337417, 64012251, 106687085, 320061255]

約数ペア:

[(1, 320061255), (3, 106687085), (5, 64012251), (15, 21337417), (29, 11036595), (43, 7443285), (71, 4507905), (87, 3678865), (129, 2481095), (145, 2207319), (213, 1502635), (215, 1488657), (241, 1328055), (355, 901581), (435, 735773), (645, 496219), (723, 442685), (1065, 300527), (1205, 265611), (1247, 256665), (2059, 155445), (3053, 104835), (3615, 88537), (3741, 85555), (6177, 51815), (6235, 51333), (6989, 45795), (9159, 34945), (10295, 31089), (10363, 30885), (15265, 20967), (17111, 18705)]