123237520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{613}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 328907520

約数和(自身を除く): 205670000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 359, 560, 613, 718, 1226, 1436, 1795, 2452, 2513, 2872, 3065, 3590, 4291, 4904, 5026, 5744, 6130, 7180, 8582, 9808, 10052, 12260, 12565, 14360, 17164, 20104, 21455, 24520, 25130, 28720, 34328, 40208, 42910, 49040, 50260, 68656, 85820, 100520, 171640, 201040, 220067, 343280, 440134, 880268, 1100335, 1540469, 1760536, 2200670, 3080938, 3521072, 4401340, 6161876, 7702345, 8802680, 12323752, 15404690, 17605360, 24647504, 30809380, 61618760, 123237520]

約数ペア:

[(1, 123237520), (2, 61618760), (4, 30809380), (5, 24647504), (7, 17605360), (8, 15404690), (10, 12323752), (14, 8802680), (16, 7702345), (20, 6161876), (28, 4401340), (35, 3521072), (40, 3080938), (56, 2200670), (70, 1760536), (80, 1540469), (112, 1100335), (140, 880268), (280, 440134), (359, 343280), (560, 220067), (613, 201040), (718, 171640), (1226, 100520), (1436, 85820), (1795, 68656), (2452, 50260), (2513, 49040), (2872, 42910), (3065, 40208), (3590, 34328), (4291, 28720), (4904, 25130), (5026, 24520), (5744, 21455), (6130, 20104), (7180, 17164), (8582, 14360), (9808, 12565), (10052, 12260)]