31156160

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1987}}^1$

素因数の和:2018

約数の個数: 84

約数和(自身を含む): 86346792

約数和(自身を除く): 55190632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 1987, 2240, 3136, 3920, 3974, 7840, 7948, 9935, 13909, 15680, 15896, 19870, 27818, 31792, 39740, 55636, 63584, 69545, 79480, 97363, 111272, 127168, 139090, 158960, 194726, 222544, 278180, 317920, 389452, 445088, 486815, 556360, 635840, 778904, 890176, 973630, 1112720, 1557808, 1947260, 2225440, 3115616, 3894520, 4450880, 6231232, 7789040, 15578080, 31156160]

約数ペア:

[(1, 31156160), (2, 15578080), (4, 7789040), (5, 6231232), (7, 4450880), (8, 3894520), (10, 3115616), (14, 2225440), (16, 1947260), (20, 1557808), (28, 1112720), (32, 973630), (35, 890176), (40, 778904), (49, 635840), (56, 556360), (64, 486815), (70, 445088), (80, 389452), (98, 317920), (112, 278180), (140, 222544), (160, 194726), (196, 158960), (224, 139090), (245, 127168), (280, 111272), (320, 97363), (392, 79480), (448, 69545), (490, 63584), (560, 55636), (784, 39740), (980, 31792), (1120, 27818), (1568, 19870), (1960, 15896), (1987, 15680), (2240, 13909), (3136, 9935), (3920, 7948), (3974, 7840)]