257644656

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 180

約数和(自身を含む): 789834864

約数和(自身を除く): 532190208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 41, 48, 51, 68, 72, 82, 102, 123, 136, 144, 151, 153, 164, 204, 246, 272, 289, 302, 306, 328, 369, 408, 453, 492, 578, 604, 612, 656, 697, 738, 816, 867, 906, 984, 1156, 1208, 1224, 1359, 1394, 1476, 1734, 1812, 1968, 2091, 2312, 2416, 2448, 2567, 2601, 2718, 2788, 2952, 3468, 3624, 4182, 4624, 5134, 5202, 5436, 5576, 5904, 6191, 6273, 6936, 7248, 7701, 8364, 10268, 10404, 10872, 11152, 11849, 12382, 12546, 13872, 15402, 16728, 18573, 20536, 20808, 21744, 23103, 23698, 24764, 25092, 30804, 33456, 35547, 37146, 41072, 41616, 43639, 46206, 47396, 49528, 50184, 55719, 61608, 71094, 74292, 87278, 92412, 94792, 99056, 100368, 105247, 106641, 111438, 123216, 130917, 142188, 148584, 174556, 184824, 189584, 210494, 213282, 222876, 261834, 284376, 297168, 315741, 349112, 369648, 392751, 420988, 426564, 445752, 523668, 568752, 631482, 698224, 785502, 841976, 853128, 891504, 947223, 1047336, 1262964, 1571004, 1683952, 1706256, 1789199, 1894446, 2094672, 2525928, 3142008, 3578398, 3788892, 5051856, 5367597, 6284016, 7156796, 7577784, 10735194, 14313592, 15155568, 16102791, 21470388, 28627184, 32205582, 42940776, 64411164, 85881552, 128822328, 257644656]

約数ペア:

[(1, 257644656), (2, 128822328), (3, 85881552), (4, 64411164), (6, 42940776), (8, 32205582), (9, 28627184), (12, 21470388), (16, 16102791), (17, 15155568), (18, 14313592), (24, 10735194), (34, 7577784), (36, 7156796), (41, 6284016), (48, 5367597), (51, 5051856), (68, 3788892), (72, 3578398), (82, 3142008), (102, 2525928), (123, 2094672), (136, 1894446), (144, 1789199), (151, 1706256), (153, 1683952), (164, 1571004), (204, 1262964), (246, 1047336), (272, 947223), (289, 891504), (302, 853128), (306, 841976), (328, 785502), (369, 698224), (408, 631482), (453, 568752), (492, 523668), (578, 445752), (604, 426564), (612, 420988), (656, 392751), (697, 369648), (738, 349112), (816, 315741), (867, 297168), (906, 284376), (984, 261834), (1156, 222876), (1208, 213282), (1224, 210494), (1359, 189584), (1394, 184824), (1476, 174556), (1734, 148584), (1812, 142188), (1968, 130917), (2091, 123216), (2312, 111438), (2416, 106641), (2448, 105247), (2567, 100368), (2601, 99056), (2718, 94792), (2788, 92412), (2952, 87278), (3468, 74292), (3624, 71094), (4182, 61608), (4624, 55719), (5134, 50184), (5202, 49528), (5436, 47396), (5576, 46206), (5904, 43639), (6191, 41616), (6273, 41072), (6936, 37146), (7248, 35547), (7701, 33456), (8364, 30804), (10268, 25092), (10404, 24764), (10872, 23698), (11152, 23103), (11849, 21744), (12382, 20808), (12546, 20536), (13872, 18573), (15402, 16728)]