256422576

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 687098880

約数和(自身を除く): 430676304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 389, 443, 496, 744, 778, 886, 1167, 1329, 1488, 1556, 1772, 2334, 2658, 3112, 3544, 4668, 5316, 6224, 7088, 9336, 10632, 12059, 13733, 18672, 21264, 24118, 27466, 36177, 41199, 48236, 54932, 72354, 82398, 96472, 109864, 144708, 164796, 172327, 192944, 219728, 289416, 329592, 344654, 516981, 578832, 659184, 689308, 1033962, 1378616, 2067924, 2757232, 4135848, 5342137, 8271696, 10684274, 16026411, 21368548, 32052822, 42737096, 64105644, 85474192, 128211288, 256422576]

約数ペア:

[(1, 256422576), (2, 128211288), (3, 85474192), (4, 64105644), (6, 42737096), (8, 32052822), (12, 21368548), (16, 16026411), (24, 10684274), (31, 8271696), (48, 5342137), (62, 4135848), (93, 2757232), (124, 2067924), (186, 1378616), (248, 1033962), (372, 689308), (389, 659184), (443, 578832), (496, 516981), (744, 344654), (778, 329592), (886, 289416), (1167, 219728), (1329, 192944), (1488, 172327), (1556, 164796), (1772, 144708), (2334, 109864), (2658, 96472), (3112, 82398), (3544, 72354), (4668, 54932), (5316, 48236), (6224, 41199), (7088, 36177), (9336, 27466), (10632, 24118), (12059, 21264), (13733, 18672)]