81010530

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1093

約数の個数: 80

約数和(自身を含む): 220169664

約数和(自身を除く): 139159134

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 103, 135, 162, 206, 270, 309, 405, 515, 618, 810, 927, 971, 1030, 1545, 1854, 1942, 2781, 2913, 3090, 4635, 4855, 5562, 5826, 8343, 8739, 9270, 9710, 13905, 14565, 16686, 17478, 26217, 27810, 29130, 41715, 43695, 52434, 78651, 83430, 87390, 100013, 131085, 157302, 200026, 262170, 300039, 393255, 500065, 600078, 786510, 900117, 1000130, 1500195, 1800234, 2700351, 3000390, 4500585, 5400702, 8101053, 9001170, 13501755, 16202106, 27003510, 40505265, 81010530]

約数ペア:

[(1, 81010530), (2, 40505265), (3, 27003510), (5, 16202106), (6, 13501755), (9, 9001170), (10, 8101053), (15, 5400702), (18, 4500585), (27, 3000390), (30, 2700351), (45, 1800234), (54, 1500195), (81, 1000130), (90, 900117), (103, 786510), (135, 600078), (162, 500065), (206, 393255), (270, 300039), (309, 262170), (405, 200026), (515, 157302), (618, 131085), (810, 100013), (927, 87390), (971, 83430), (1030, 78651), (1545, 52434), (1854, 43695), (1942, 41715), (2781, 29130), (2913, 27810), (3090, 26217), (4635, 17478), (4855, 16686), (5562, 14565), (5826, 13905), (8343, 9710), (8739, 9270)]