2511180

素因数分解:

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

素因数の和:2015

約数の個数: 72

約数和(自身を含む): 8709792

約数和(自身を除く): 6198612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1993, 3986, 5979, 7972, 9965, 11958, 13951, 17937, 19930, 23916, 27902, 29895, 35874, 39860, 41853, 55804, 59790, 69755, 71748, 83706, 89685, 119580, 125559, 139510, 167412, 179370, 209265, 251118, 279020, 358740, 418530, 502236, 627795, 837060, 1255590, 2511180]

約数ペア:

[(1, 2511180), (2, 1255590), (3, 837060), (4, 627795), (5, 502236), (6, 418530), (7, 358740), (9, 279020), (10, 251118), (12, 209265), (14, 179370), (15, 167412), (18, 139510), (20, 125559), (21, 119580), (28, 89685), (30, 83706), (35, 71748), (36, 69755), (42, 59790), (45, 55804), (60, 41853), (63, 39860), (70, 35874), (84, 29895), (90, 27902), (105, 23916), (126, 19930), (140, 17937), (180, 13951), (210, 11958), (252, 9965), (315, 7972), (420, 5979), (630, 3986), (1260, 1993)]