131897360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{743}}^1$

素因数の和:1080

約数の個数: 80

約数和(自身を含む): 352048896

約数和(自身を除く): 220151536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 317, 560, 634, 743, 1268, 1486, 1585, 2219, 2536, 2972, 3170, 3715, 4438, 5072, 5201, 5944, 6340, 7430, 8876, 10402, 11095, 11888, 12680, 14860, 17752, 20804, 22190, 25360, 26005, 29720, 35504, 41608, 44380, 52010, 59440, 83216, 88760, 104020, 177520, 208040, 235531, 416080, 471062, 942124, 1177655, 1648717, 1884248, 2355310, 3297434, 3768496, 4710620, 6594868, 8243585, 9421240, 13189736, 16487170, 18842480, 26379472, 32974340, 65948680, 131897360]

約数ペア:

[(1, 131897360), (2, 65948680), (4, 32974340), (5, 26379472), (7, 18842480), (8, 16487170), (10, 13189736), (14, 9421240), (16, 8243585), (20, 6594868), (28, 4710620), (35, 3768496), (40, 3297434), (56, 2355310), (70, 1884248), (80, 1648717), (112, 1177655), (140, 942124), (280, 471062), (317, 416080), (560, 235531), (634, 208040), (743, 177520), (1268, 104020), (1486, 88760), (1585, 83216), (2219, 59440), (2536, 52010), (2972, 44380), (3170, 41608), (3715, 35504), (4438, 29720), (5072, 26005), (5201, 25360), (5944, 22190), (6340, 20804), (7430, 17752), (8876, 14860), (10402, 12680), (11095, 11888)]