31666860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7649}}^1$

素因数の和:7687

約数の個数: 72

約数和(自身を含む): 100245600

約数和(自身を除く): 68578740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7649, 15298, 22947, 30596, 38245, 45894, 68841, 76490, 91788, 114735, 137682, 152980, 175927, 229470, 275364, 344205, 351854, 458940, 527781, 688410, 703708, 879635, 1055562, 1376820, 1583343, 1759270, 2111124, 2638905, 3166686, 3518540, 5277810, 6333372, 7916715, 10555620, 15833430, 31666860]

約数ペア:

[(1, 31666860), (2, 15833430), (3, 10555620), (4, 7916715), (5, 6333372), (6, 5277810), (9, 3518540), (10, 3166686), (12, 2638905), (15, 2111124), (18, 1759270), (20, 1583343), (23, 1376820), (30, 1055562), (36, 879635), (45, 703708), (46, 688410), (60, 527781), (69, 458940), (90, 351854), (92, 344205), (115, 275364), (138, 229470), (180, 175927), (207, 152980), (230, 137682), (276, 114735), (345, 91788), (414, 76490), (460, 68841), (690, 45894), (828, 38245), (1035, 30596), (1380, 22947), (2070, 15298), (4140, 7649)]