208515720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6709}}^1$

素因数の和:6767

約数の個数: 128

約数和(自身を含む): 734342400

約数和(自身を除く): 525826680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 6709, 7770, 10360, 13418, 15540, 20127, 26836, 31080, 33545, 40254, 46963, 53672, 67090, 80508, 93926, 100635, 134180, 140889, 161016, 187852, 201270, 234815, 248233, 268360, 281778, 375704, 402540, 469630, 496466, 563556, 704445, 744699, 805080, 939260, 992932, 1127112, 1241165, 1408890, 1489398, 1737631, 1878520, 1985864, 2482330, 2817780, 2978796, 3475262, 3723495, 4964660, 5212893, 5635560, 5957592, 6950524, 7446990, 8688155, 9929320, 10425786, 13901048, 14893980, 17376310, 20851572, 26064465, 29787960, 34752620, 41703144, 52128930, 69505240, 104257860, 208515720]

約数ペア:

[(1, 208515720), (2, 104257860), (3, 69505240), (4, 52128930), (5, 41703144), (6, 34752620), (7, 29787960), (8, 26064465), (10, 20851572), (12, 17376310), (14, 14893980), (15, 13901048), (20, 10425786), (21, 9929320), (24, 8688155), (28, 7446990), (30, 6950524), (35, 5957592), (37, 5635560), (40, 5212893), (42, 4964660), (56, 3723495), (60, 3475262), (70, 2978796), (74, 2817780), (84, 2482330), (105, 1985864), (111, 1878520), (120, 1737631), (140, 1489398), (148, 1408890), (168, 1241165), (185, 1127112), (210, 992932), (222, 939260), (259, 805080), (280, 744699), (296, 704445), (370, 563556), (420, 496466), (444, 469630), (518, 402540), (555, 375704), (740, 281778), (777, 268360), (840, 248233), (888, 234815), (1036, 201270), (1110, 187852), (1295, 161016), (1480, 140889), (1554, 134180), (2072, 100635), (2220, 93926), (2590, 80508), (3108, 67090), (3885, 53672), (4440, 46963), (5180, 40254), (6216, 33545), (6709, 31080), (7770, 26836), (10360, 20127), (13418, 15540)]