51197580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 179262720

約数和(自身を除く): 128065140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 179, 180, 210, 227, 252, 315, 358, 420, 454, 537, 630, 681, 716, 895, 908, 1074, 1135, 1253, 1260, 1362, 1589, 1611, 1790, 2043, 2148, 2270, 2506, 2685, 2724, 3178, 3222, 3405, 3580, 3759, 4086, 4540, 4767, 5012, 5370, 6265, 6356, 6444, 6810, 7518, 7945, 8055, 8172, 9534, 10215, 10740, 11277, 12530, 13620, 14301, 15036, 15890, 16110, 18795, 19068, 20430, 22554, 23835, 25060, 28602, 31780, 32220, 37590, 40633, 40860, 45108, 47670, 56385, 57204, 71505, 75180, 81266, 95340, 112770, 121899, 143010, 162532, 203165, 225540, 243798, 284431, 286020, 365697, 406330, 487596, 568862, 609495, 731394, 812660, 853293, 1137724, 1218990, 1422155, 1462788, 1706586, 1828485, 2437980, 2559879, 2844310, 3413172, 3656970, 4266465, 5119758, 5688620, 7313940, 8532930, 10239516, 12799395, 17065860, 25598790, 51197580]

約数ペア:

[(1, 51197580), (2, 25598790), (3, 17065860), (4, 12799395), (5, 10239516), (6, 8532930), (7, 7313940), (9, 5688620), (10, 5119758), (12, 4266465), (14, 3656970), (15, 3413172), (18, 2844310), (20, 2559879), (21, 2437980), (28, 1828485), (30, 1706586), (35, 1462788), (36, 1422155), (42, 1218990), (45, 1137724), (60, 853293), (63, 812660), (70, 731394), (84, 609495), (90, 568862), (105, 487596), (126, 406330), (140, 365697), (179, 286020), (180, 284431), (210, 243798), (227, 225540), (252, 203165), (315, 162532), (358, 143010), (420, 121899), (454, 112770), (537, 95340), (630, 81266), (681, 75180), (716, 71505), (895, 57204), (908, 56385), (1074, 47670), (1135, 45108), (1253, 40860), (1260, 40633), (1362, 37590), (1589, 32220), (1611, 31780), (1790, 28602), (2043, 25060), (2148, 23835), (2270, 22554), (2506, 20430), (2685, 19068), (2724, 18795), (3178, 16110), (3222, 15890), (3405, 15036), (3580, 14301), (3759, 13620), (4086, 12530), (4540, 11277), (4767, 10740), (5012, 10215), (5370, 9534), (6265, 8172), (6356, 8055), (6444, 7945), (6810, 7518)]