72311960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2557}}^1$

素因数の和:2676

約数の個数: 64

約数和(自身を含む): 187859520

約数和(自身を除く): 115547560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2557, 2828, 3535, 4040, 5114, 5656, 7070, 10228, 12785, 14140, 17899, 20456, 25570, 28280, 35798, 51140, 71596, 89495, 102280, 143192, 178990, 258257, 357980, 516514, 715960, 1033028, 1291285, 1807799, 2066056, 2582570, 3615598, 5165140, 7231196, 9038995, 10330280, 14462392, 18077990, 36155980, 72311960]

約数ペア:

[(1, 72311960), (2, 36155980), (4, 18077990), (5, 14462392), (7, 10330280), (8, 9038995), (10, 7231196), (14, 5165140), (20, 3615598), (28, 2582570), (35, 2066056), (40, 1807799), (56, 1291285), (70, 1033028), (101, 715960), (140, 516514), (202, 357980), (280, 258257), (404, 178990), (505, 143192), (707, 102280), (808, 89495), (1010, 71596), (1414, 51140), (2020, 35798), (2557, 28280), (2828, 25570), (3535, 20456), (4040, 17899), (5114, 14140), (5656, 12785), (7070, 10228)]