128906928

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 378832896

約数和(自身を除く): 249925968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 67, 72, 93, 124, 134, 144, 186, 201, 248, 268, 279, 372, 402, 431, 496, 536, 558, 603, 744, 804, 862, 1072, 1116, 1206, 1293, 1488, 1608, 1724, 2077, 2232, 2412, 2586, 3216, 3448, 3879, 4154, 4464, 4824, 5172, 6231, 6896, 7758, 8308, 9648, 10344, 12462, 13361, 15516, 16616, 18693, 20688, 24924, 26722, 28877, 31032, 33232, 37386, 40083, 49848, 53444, 57754, 62064, 74772, 80166, 86631, 99696, 106888, 115508, 120249, 149544, 160332, 173262, 213776, 231016, 240498, 259893, 299088, 320664, 346524, 462032, 480996, 519786, 641328, 693048, 895187, 961992, 1039572, 1386096, 1790374, 1923984, 2079144, 2685561, 3580748, 4158288, 5371122, 7161496, 8056683, 10742244, 14322992, 16113366, 21484488, 32226732, 42968976, 64453464, 128906928]

約数ペア:

[(1, 128906928), (2, 64453464), (3, 42968976), (4, 32226732), (6, 21484488), (8, 16113366), (9, 14322992), (12, 10742244), (16, 8056683), (18, 7161496), (24, 5371122), (31, 4158288), (36, 3580748), (48, 2685561), (62, 2079144), (67, 1923984), (72, 1790374), (93, 1386096), (124, 1039572), (134, 961992), (144, 895187), (186, 693048), (201, 641328), (248, 519786), (268, 480996), (279, 462032), (372, 346524), (402, 320664), (431, 299088), (496, 259893), (536, 240498), (558, 231016), (603, 213776), (744, 173262), (804, 160332), (862, 149544), (1072, 120249), (1116, 115508), (1206, 106888), (1293, 99696), (1488, 86631), (1608, 80166), (1724, 74772), (2077, 62064), (2232, 57754), (2412, 53444), (2586, 49848), (3216, 40083), (3448, 37386), (3879, 33232), (4154, 31032), (4464, 28877), (4824, 26722), (5172, 24924), (6231, 20688), (6896, 18693), (7758, 16616), (8308, 15516), (9648, 13361), (10344, 12462)]