77989950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2441}}^1$

素因数の和:2530

約数の個数: 72

約数和(自身を含む): 212571216

約数和(自身を除く): 134581266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 1065, 1278, 1775, 2130, 2441, 3195, 3550, 4882, 5325, 6390, 7323, 10650, 12205, 14646, 15975, 21969, 24410, 31950, 36615, 43938, 61025, 73230, 109845, 122050, 173311, 183075, 219690, 346622, 366150, 519933, 549225, 866555, 1039866, 1098450, 1559799, 1733110, 2599665, 3119598, 4332775, 5199330, 7798995, 8665550, 12998325, 15597990, 25996650, 38994975, 77989950]

約数ペア:

[(1, 77989950), (2, 38994975), (3, 25996650), (5, 15597990), (6, 12998325), (9, 8665550), (10, 7798995), (15, 5199330), (18, 4332775), (25, 3119598), (30, 2599665), (45, 1733110), (50, 1559799), (71, 1098450), (75, 1039866), (90, 866555), (142, 549225), (150, 519933), (213, 366150), (225, 346622), (355, 219690), (426, 183075), (450, 173311), (639, 122050), (710, 109845), (1065, 73230), (1278, 61025), (1775, 43938), (2130, 36615), (2441, 31950), (3195, 24410), (3550, 21969), (4882, 15975), (5325, 14646), (6390, 12205), (7323, 10650)]