68538120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 237081600

約数和(自身を除く): 168543480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 587, 695, 834, 840, 973, 1112, 1174, 1390, 1668, 1761, 1946, 2085, 2348, 2780, 2919, 2935, 3336, 3522, 3892, 4109, 4170, 4696, 4865, 5560, 5838, 5870, 7044, 7784, 8218, 8340, 8805, 9730, 11676, 11740, 12327, 14088, 14595, 16436, 16680, 17610, 19460, 20545, 23352, 23480, 24654, 29190, 32872, 35220, 38920, 41090, 49308, 58380, 61635, 70440, 81593, 82180, 98616, 116760, 123270, 163186, 164360, 244779, 246540, 326372, 407965, 489558, 493080, 571151, 652744, 815930, 979116, 1142302, 1223895, 1631860, 1713453, 1958232, 2284604, 2447790, 2855755, 3263720, 3426906, 4569208, 4895580, 5711510, 6853812, 8567265, 9791160, 11423020, 13707624, 17134530, 22846040, 34269060, 68538120]

約数ペア:

[(1, 68538120), (2, 34269060), (3, 22846040), (4, 17134530), (5, 13707624), (6, 11423020), (7, 9791160), (8, 8567265), (10, 6853812), (12, 5711510), (14, 4895580), (15, 4569208), (20, 3426906), (21, 3263720), (24, 2855755), (28, 2447790), (30, 2284604), (35, 1958232), (40, 1713453), (42, 1631860), (56, 1223895), (60, 1142302), (70, 979116), (84, 815930), (105, 652744), (120, 571151), (139, 493080), (140, 489558), (168, 407965), (210, 326372), (278, 246540), (280, 244779), (417, 164360), (420, 163186), (556, 123270), (587, 116760), (695, 98616), (834, 82180), (840, 81593), (973, 70440), (1112, 61635), (1174, 58380), (1390, 49308), (1668, 41090), (1761, 38920), (1946, 35220), (2085, 32872), (2348, 29190), (2780, 24654), (2919, 23480), (2935, 23352), (3336, 20545), (3522, 19460), (3892, 17610), (4109, 16680), (4170, 16436), (4696, 14595), (4865, 14088), (5560, 12327), (5838, 11740), (5870, 11676), (7044, 9730), (7784, 8805), (8218, 8340)]