31402280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8627}}^1$

素因数の和:8658

約数の個数: 64

約数和(自身を含む): 86970240

約数和(自身を除く): 55567960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8627, 17254, 34508, 43135, 60389, 69016, 86270, 112151, 120778, 172540, 224302, 241556, 301945, 345080, 448604, 483112, 560755, 603890, 785057, 897208, 1121510, 1207780, 1570114, 2243020, 2415560, 3140228, 3925285, 4486040, 6280456, 7850570, 15701140, 31402280]

約数ペア:

[(1, 31402280), (2, 15701140), (4, 7850570), (5, 6280456), (7, 4486040), (8, 3925285), (10, 3140228), (13, 2415560), (14, 2243020), (20, 1570114), (26, 1207780), (28, 1121510), (35, 897208), (40, 785057), (52, 603890), (56, 560755), (65, 483112), (70, 448604), (91, 345080), (104, 301945), (130, 241556), (140, 224302), (182, 172540), (260, 120778), (280, 112151), (364, 86270), (455, 69016), (520, 60389), (728, 43135), (910, 34508), (1820, 17254), (3640, 8627)]