257645472

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1243

約数の個数: 192

約数和(自身を含む): 862202880

約数和(自身を除く): 604557408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 19, 21, 24, 28, 32, 34, 38, 42, 48, 51, 56, 57, 68, 76, 84, 96, 102, 112, 114, 119, 133, 136, 152, 168, 204, 224, 228, 238, 266, 272, 304, 323, 336, 357, 399, 408, 456, 476, 532, 544, 608, 646, 672, 714, 798, 816, 912, 952, 969, 1064, 1187, 1292, 1428, 1596, 1632, 1824, 1904, 1938, 2128, 2261, 2374, 2584, 2856, 3192, 3561, 3808, 3876, 4256, 4522, 4748, 5168, 5712, 6384, 6783, 7122, 7752, 8309, 9044, 9496, 10336, 11424, 12768, 13566, 14244, 15504, 16618, 18088, 18992, 20179, 22553, 24927, 27132, 28488, 31008, 33236, 36176, 37984, 40358, 45106, 49854, 54264, 56976, 60537, 66472, 67659, 72352, 80716, 90212, 99708, 108528, 113952, 121074, 132944, 135318, 141253, 157871, 161432, 180424, 199416, 217056, 242148, 265888, 270636, 282506, 315742, 322864, 360848, 383401, 398832, 423759, 473613, 484296, 541272, 565012, 631484, 645728, 721696, 766802, 797664, 847518, 947226, 968592, 1082544, 1130024, 1150203, 1262968, 1533604, 1695036, 1894452, 1937184, 2165088, 2260048, 2300406, 2525936, 2683807, 3067208, 3390072, 3788904, 4520096, 4600812, 5051872, 5367614, 6134416, 6780144, 7577808, 8051421, 9201624, 10735228, 12268832, 13560288, 15155616, 16102842, 18403248, 21470456, 32205684, 36806496, 42940912, 64411368, 85881824, 128822736, 257645472]

約数ペア:

[(1, 257645472), (2, 128822736), (3, 85881824), (4, 64411368), (6, 42940912), (7, 36806496), (8, 32205684), (12, 21470456), (14, 18403248), (16, 16102842), (17, 15155616), (19, 13560288), (21, 12268832), (24, 10735228), (28, 9201624), (32, 8051421), (34, 7577808), (38, 6780144), (42, 6134416), (48, 5367614), (51, 5051872), (56, 4600812), (57, 4520096), (68, 3788904), (76, 3390072), (84, 3067208), (96, 2683807), (102, 2525936), (112, 2300406), (114, 2260048), (119, 2165088), (133, 1937184), (136, 1894452), (152, 1695036), (168, 1533604), (204, 1262968), (224, 1150203), (228, 1130024), (238, 1082544), (266, 968592), (272, 947226), (304, 847518), (323, 797664), (336, 766802), (357, 721696), (399, 645728), (408, 631484), (456, 565012), (476, 541272), (532, 484296), (544, 473613), (608, 423759), (646, 398832), (672, 383401), (714, 360848), (798, 322864), (816, 315742), (912, 282506), (952, 270636), (969, 265888), (1064, 242148), (1187, 217056), (1292, 199416), (1428, 180424), (1596, 161432), (1632, 157871), (1824, 141253), (1904, 135318), (1938, 132944), (2128, 121074), (2261, 113952), (2374, 108528), (2584, 99708), (2856, 90212), (3192, 80716), (3561, 72352), (3808, 67659), (3876, 66472), (4256, 60537), (4522, 56976), (4748, 54264), (5168, 49854), (5712, 45106), (6384, 40358), (6783, 37984), (7122, 36176), (7752, 33236), (8309, 31008), (9044, 28488), (9496, 27132), (10336, 24927), (11424, 22553), (12768, 20179), (13566, 18992), (14244, 18088), (15504, 16618)]