639190656

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:424

約数の個数: 256

約数和(自身を含む): 2087164800

約数和(自身を除く): 1447974144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 41, 48, 52, 54, 64, 72, 78, 82, 96, 104, 108, 117, 123, 128, 144, 156, 164, 192, 208, 216, 234, 246, 288, 312, 328, 347, 351, 369, 384, 416, 432, 468, 492, 533, 576, 624, 656, 694, 702, 738, 832, 864, 936, 984, 1041, 1066, 1107, 1152, 1248, 1312, 1388, 1404, 1476, 1599, 1664, 1728, 1872, 1968, 2082, 2132, 2214, 2496, 2624, 2776, 2808, 2952, 3123, 3198, 3456, 3744, 3936, 4164, 4264, 4428, 4511, 4797, 4992, 5248, 5552, 5616, 5904, 6246, 6396, 7488, 7872, 8328, 8528, 8856, 9022, 9369, 9594, 11104, 11232, 11808, 12492, 12792, 13533, 14227, 14391, 14976, 15744, 16656, 17056, 17712, 18044, 18738, 19188, 22208, 22464, 23616, 24984, 25584, 27066, 28454, 28782, 33312, 34112, 35424, 36088, 37476, 38376, 40599, 42681, 44416, 44928, 47232, 49968, 51168, 54132, 56908, 57564, 66624, 68224, 70848, 72176, 74952, 76752, 81198, 85362, 99936, 102336, 108264, 113816, 115128, 121797, 128043, 133248, 141696, 144352, 149904, 153504, 162396, 170724, 184951, 199872, 204672, 216528, 227632, 230256, 243594, 256086, 288704, 299808, 307008, 324792, 341448, 369902, 384129, 399744, 433056, 455264, 460512, 487188, 512172, 554853, 577408, 599616, 614016, 649584, 682896, 739804, 768258, 866112, 910528, 921024, 974376, 1024344, 1109706, 1199232, 1299168, 1365792, 1479608, 1536516, 1664559, 1732224, 1821056, 1842048, 1948752, 2048688, 2219412, 2598336, 2731584, 2959216, 3073032, 3329118, 3897504, 4097376, 4438824, 4993677, 5196672, 5463168, 5918432, 6146064, 6658236, 7795008, 8194752, 8877648, 9987354, 11836864, 12292128, 13316472, 15590016, 16389504, 17755296, 19974708, 23673728, 24584256, 26632944, 35510592, 39949416, 49168512, 53265888, 71021184, 79898832, 106531776, 159797664, 213063552, 319595328, 639190656]

約数ペア:

[(1, 639190656), (2, 319595328), (3, 213063552), (4, 159797664), (6, 106531776), (8, 79898832), (9, 71021184), (12, 53265888), (13, 49168512), (16, 39949416), (18, 35510592), (24, 26632944), (26, 24584256), (27, 23673728), (32, 19974708), (36, 17755296), (39, 16389504), (41, 15590016), (48, 13316472), (52, 12292128), (54, 11836864), (64, 9987354), (72, 8877648), (78, 8194752), (82, 7795008), (96, 6658236), (104, 6146064), (108, 5918432), (117, 5463168), (123, 5196672), (128, 4993677), (144, 4438824), (156, 4097376), (164, 3897504), (192, 3329118), (208, 3073032), (216, 2959216), (234, 2731584), (246, 2598336), (288, 2219412), (312, 2048688), (328, 1948752), (347, 1842048), (351, 1821056), (369, 1732224), (384, 1664559), (416, 1536516), (432, 1479608), (468, 1365792), (492, 1299168), (533, 1199232), (576, 1109706), (624, 1024344), (656, 974376), (694, 921024), (702, 910528), (738, 866112), (832, 768258), (864, 739804), (936, 682896), (984, 649584), (1041, 614016), (1066, 599616), (1107, 577408), (1152, 554853), (1248, 512172), (1312, 487188), (1388, 460512), (1404, 455264), (1476, 433056), (1599, 399744), (1664, 384129), (1728, 369902), (1872, 341448), (1968, 324792), (2082, 307008), (2132, 299808), (2214, 288704), (2496, 256086), (2624, 243594), (2776, 230256), (2808, 227632), (2952, 216528), (3123, 204672), (3198, 199872), (3456, 184951), (3744, 170724), (3936, 162396), (4164, 153504), (4264, 149904), (4428, 144352), (4511, 141696), (4797, 133248), (4992, 128043), (5248, 121797), (5552, 115128), (5616, 113816), (5904, 108264), (6246, 102336), (6396, 99936), (7488, 85362), (7872, 81198), (8328, 76752), (8528, 74952), (8856, 72176), (9022, 70848), (9369, 68224), (9594, 66624), (11104, 57564), (11232, 56908), (11808, 54132), (12492, 51168), (12792, 49968), (13533, 47232), (14227, 44928), (14391, 44416), (14976, 42681), (15744, 40599), (16656, 38376), (17056, 37476), (17712, 36088), (18044, 35424), (18738, 34112), (19188, 33312), (22208, 28782), (22464, 28454), (23616, 27066), (24984, 25584)]