311720580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2089}}^1$

素因数の和:2933

約数の個数: 72

約数和(自身を含む): 947146200

約数和(自身を除く): 635425620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 829, 1658, 2089, 2487, 3316, 4145, 4178, 4974, 6267, 7461, 8290, 8356, 9948, 10445, 12435, 12534, 14922, 16580, 18801, 20890, 24870, 25068, 29844, 31335, 37305, 37602, 41780, 49740, 62670, 74610, 75204, 94005, 125340, 149220, 188010, 376020, 1731781, 3463562, 5195343, 6927124, 8658905, 10390686, 15586029, 17317810, 20781372, 25976715, 31172058, 34635620, 51953430, 62344116, 77930145, 103906860, 155860290, 311720580]

約数ペア:

[(1, 311720580), (2, 155860290), (3, 103906860), (4, 77930145), (5, 62344116), (6, 51953430), (9, 34635620), (10, 31172058), (12, 25976715), (15, 20781372), (18, 17317810), (20, 15586029), (30, 10390686), (36, 8658905), (45, 6927124), (60, 5195343), (90, 3463562), (180, 1731781), (829, 376020), (1658, 188010), (2089, 149220), (2487, 125340), (3316, 94005), (4145, 75204), (4178, 74610), (4974, 62670), (6267, 49740), (7461, 41780), (8290, 37602), (8356, 37305), (9948, 31335), (10445, 29844), (12435, 25068), (12534, 24870), (14922, 20890), (16580, 18801)]