207586680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{587}}^1$

素因数の和:1029

約数の個数: 128

約数和(自身を含む): 714631680

約数和(自身を除く): 507045000

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, 140, 168, 210, 280, 420, 421, 587, 840, 842, 1174, 1263, 1684, 1761, 2105, 2348, 2526, 2935, 2947, 3368, 3522, 4109, 4210, 4696, 5052, 5870, 5894, 6315, 7044, 8218, 8420, 8805, 8841, 10104, 11740, 11788, 12327, 12630, 14088, 14735, 16436, 16840, 17610, 17682, 20545, 23480, 23576, 24654, 25260, 29470, 32872, 35220, 35364, 41090, 44205, 49308, 50520, 58940, 61635, 70440, 70728, 82180, 88410, 98616, 117880, 123270, 164360, 176820, 246540, 247127, 353640, 493080, 494254, 741381, 988508, 1235635, 1482762, 1729889, 1977016, 2471270, 2965524, 3459778, 3706905, 4942540, 5189667, 5931048, 6919556, 7413810, 8649445, 9885080, 10379334, 13839112, 14827620, 17298890, 20758668, 25948335, 29655240, 34597780, 41517336, 51896670, 69195560, 103793340, 207586680]

約数ペア:

[(1, 207586680), (2, 103793340), (3, 69195560), (4, 51896670), (5, 41517336), (6, 34597780), (7, 29655240), (8, 25948335), (10, 20758668), (12, 17298890), (14, 14827620), (15, 13839112), (20, 10379334), (21, 9885080), (24, 8649445), (28, 7413810), (30, 6919556), (35, 5931048), (40, 5189667), (42, 4942540), (56, 3706905), (60, 3459778), (70, 2965524), (84, 2471270), (105, 1977016), (120, 1729889), (140, 1482762), (168, 1235635), (210, 988508), (280, 741381), (420, 494254), (421, 493080), (587, 353640), (840, 247127), (842, 246540), (1174, 176820), (1263, 164360), (1684, 123270), (1761, 117880), (2105, 98616), (2348, 88410), (2526, 82180), (2935, 70728), (2947, 70440), (3368, 61635), (3522, 58940), (4109, 50520), (4210, 49308), (4696, 44205), (5052, 41090), (5870, 35364), (5894, 35220), (6315, 32872), (7044, 29470), (8218, 25260), (8420, 24654), (8805, 23576), (8841, 23480), (10104, 20545), (11740, 17682), (11788, 17610), (12327, 16840), (12630, 16436), (14088, 14735)]