258481620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10331}}^1$

素因数の和:10485

約数の個数: 72

約数和(自身を含む): 789778080

約数和(自身を除く): 531296460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 10331, 12510, 20662, 25020, 30993, 41324, 51655, 61986, 92979, 103310, 123972, 154965, 185958, 206620, 309930, 371916, 464895, 619860, 929790, 1436009, 1859580, 2872018, 4308027, 5744036, 7180045, 8616054, 12924081, 14360090, 17232108, 21540135, 25848162, 28720180, 43080270, 51696324, 64620405, 86160540, 129240810, 258481620]

約数ペア:

[(1, 258481620), (2, 129240810), (3, 86160540), (4, 64620405), (5, 51696324), (6, 43080270), (9, 28720180), (10, 25848162), (12, 21540135), (15, 17232108), (18, 14360090), (20, 12924081), (30, 8616054), (36, 7180045), (45, 5744036), (60, 4308027), (90, 2872018), (139, 1859580), (180, 1436009), (278, 929790), (417, 619860), (556, 464895), (695, 371916), (834, 309930), (1251, 206620), (1390, 185958), (1668, 154965), (2085, 123972), (2502, 103310), (2780, 92979), (4170, 61986), (5004, 51655), (6255, 41324), (8340, 30993), (10331, 25020), (12510, 20662)]