321012080

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{6089}}^1$

素因数の和:6761

約数の個数: 40

約数和(自身を含む): 747608400

約数和(自身を除く): 426596320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 2636, 3295, 5272, 6089, 6590, 10544, 12178, 13180, 24356, 26360, 30445, 48712, 52720, 60890, 97424, 121780, 243560, 487120, 4012651, 8025302, 16050604, 20063255, 32101208, 40126510, 64202416, 80253020, 160506040, 321012080]

約数ペア:

[(1, 321012080), (2, 160506040), (4, 80253020), (5, 64202416), (8, 40126510), (10, 32101208), (16, 20063255), (20, 16050604), (40, 8025302), (80, 4012651), (659, 487120), (1318, 243560), (2636, 121780), (3295, 97424), (5272, 60890), (6089, 52720), (6590, 48712), (10544, 30445), (12178, 26360), (13180, 24356)]