1255590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{1993}}^1$

素因数の和:2013

約数の個数: 48

約数和(自身を含む): 3732768

約数和(自身を除く): 2477178

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 1993, 3986, 5979, 9965, 11958, 13951, 17937, 19930, 27902, 29895, 35874, 41853, 59790, 69755, 83706, 89685, 125559, 139510, 179370, 209265, 251118, 418530, 627795, 1255590]

約数ペア:

[(1, 1255590), (2, 627795), (3, 418530), (5, 251118), (6, 209265), (7, 179370), (9, 139510), (10, 125559), (14, 89685), (15, 83706), (18, 69755), (21, 59790), (30, 41853), (35, 35874), (42, 29895), (45, 27902), (63, 19930), (70, 17937), (90, 13951), (105, 11958), (126, 9965), (210, 5979), (315, 3986), (630, 1993)]