27139980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 92171520

約数和(自身を除く): 65031540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 179, 190, 210, 228, 266, 285, 358, 361, 380, 399, 420, 532, 537, 570, 665, 716, 722, 798, 895, 1074, 1083, 1140, 1253, 1330, 1444, 1596, 1790, 1805, 1995, 2148, 2166, 2506, 2527, 2660, 2685, 3401, 3580, 3610, 3759, 3990, 4332, 5012, 5054, 5370, 5415, 6265, 6802, 7220, 7518, 7581, 7980, 10108, 10203, 10740, 10830, 12530, 12635, 13604, 15036, 15162, 17005, 18795, 20406, 21660, 23807, 25060, 25270, 30324, 34010, 37590, 37905, 40812, 47614, 50540, 51015, 64619, 68020, 71421, 75180, 75810, 95228, 102030, 119035, 129238, 142842, 151620, 193857, 204060, 238070, 258476, 285684, 323095, 357105, 387714, 452333, 476140, 646190, 714210, 775428, 904666, 969285, 1292380, 1356999, 1428420, 1809332, 1938570, 2261665, 2713998, 3877140, 4523330, 5427996, 6784995, 9046660, 13569990, 27139980]

約数ペア:

[(1, 27139980), (2, 13569990), (3, 9046660), (4, 6784995), (5, 5427996), (6, 4523330), (7, 3877140), (10, 2713998), (12, 2261665), (14, 1938570), (15, 1809332), (19, 1428420), (20, 1356999), (21, 1292380), (28, 969285), (30, 904666), (35, 775428), (38, 714210), (42, 646190), (57, 476140), (60, 452333), (70, 387714), (76, 357105), (84, 323095), (95, 285684), (105, 258476), (114, 238070), (133, 204060), (140, 193857), (179, 151620), (190, 142842), (210, 129238), (228, 119035), (266, 102030), (285, 95228), (358, 75810), (361, 75180), (380, 71421), (399, 68020), (420, 64619), (532, 51015), (537, 50540), (570, 47614), (665, 40812), (716, 37905), (722, 37590), (798, 34010), (895, 30324), (1074, 25270), (1083, 25060), (1140, 23807), (1253, 21660), (1330, 20406), (1444, 18795), (1596, 17005), (1790, 15162), (1805, 15036), (1995, 13604), (2148, 12635), (2166, 12530), (2506, 10830), (2527, 10740), (2660, 10203), (2685, 10108), (3401, 7980), (3580, 7581), (3610, 7518), (3759, 7220), (3990, 6802), (4332, 6265), (5012, 5415), (5054, 5370)]