1259981280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{874987}}^1$

素因数の和:875008

約数の個数: 72

約数和(自身を含む): 4299691032

約数和(自身を除く): 3039709752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 874987, 1749974, 2624961, 3499948, 4374935, 5249922, 6999896, 7874883, 8749870, 10499844, 13124805, 13999792, 15749766, 17499740, 20999688, 26249610, 27999584, 31499532, 34999480, 39374415, 41999376, 52499220, 62999064, 69998960, 78748830, 83998752, 104998440, 125998128, 139997920, 157497660, 209996880, 251996256, 314995320, 419993760, 629990640, 1259981280]

約数ペア:

[(1, 1259981280), (2, 629990640), (3, 419993760), (4, 314995320), (5, 251996256), (6, 209996880), (8, 157497660), (9, 139997920), (10, 125998128), (12, 104998440), (15, 83998752), (16, 78748830), (18, 69998960), (20, 62999064), (24, 52499220), (30, 41999376), (32, 39374415), (36, 34999480), (40, 31499532), (45, 27999584), (48, 26249610), (60, 20999688), (72, 17499740), (80, 15749766), (90, 13999792), (96, 13124805), (120, 10499844), (144, 8749870), (160, 7874883), (180, 6999896), (240, 5249922), (288, 4374935), (360, 3499948), (480, 2624961), (720, 1749974), (1440, 874987)]