1285243620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163517}}^1$

素因数の和:163660

約数の個数: 48

約数和(自身を含む): 3626175168

約数和(自身を除く): 2340931548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 163517, 327034, 490551, 654068, 817585, 981102, 1635170, 1962204, 2452755, 3270340, 4905510, 9811020, 21420727, 42841454, 64262181, 85682908, 107103635, 128524362, 214207270, 257048724, 321310905, 428414540, 642621810, 1285243620]

約数ペア:

[(1, 1285243620), (2, 642621810), (3, 428414540), (4, 321310905), (5, 257048724), (6, 214207270), (10, 128524362), (12, 107103635), (15, 85682908), (20, 64262181), (30, 42841454), (60, 21420727), (131, 9811020), (262, 4905510), (393, 3270340), (524, 2452755), (655, 1962204), (786, 1635170), (1310, 981102), (1572, 817585), (1965, 654068), (2620, 490551), (3930, 327034), (7860, 163517)]