315831520

素因数分解:

$2^5\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3457}}^1$

素因数の和:4043

約数の個数: 48

約数和(自身を含む): 747674928

約数和(自身を除く): 431843408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 571, 1142, 2284, 2855, 3457, 4568, 5710, 6914, 9136, 11420, 13828, 17285, 18272, 22840, 27656, 34570, 45680, 55312, 69140, 91360, 110624, 138280, 276560, 553120, 1973947, 3947894, 7895788, 9869735, 15791576, 19739470, 31583152, 39478940, 63166304, 78957880, 157915760, 315831520]

約数ペア:

[(1, 315831520), (2, 157915760), (4, 78957880), (5, 63166304), (8, 39478940), (10, 31583152), (16, 19739470), (20, 15791576), (32, 9869735), (40, 7895788), (80, 3947894), (160, 1973947), (571, 553120), (1142, 276560), (2284, 138280), (2855, 110624), (3457, 91360), (4568, 69140), (5710, 55312), (6914, 45680), (9136, 34570), (11420, 27656), (13828, 22840), (17285, 18272)]