257284512

素因数分解:

$2^5\times 3^6\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:338

約数の個数: 168

約数和(自身を含む): 780861060

約数和(自身を除く): 523576548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 72, 81, 82, 96, 108, 123, 144, 162, 164, 216, 243, 246, 269, 288, 324, 328, 369, 432, 486, 492, 538, 648, 656, 729, 738, 807, 864, 972, 984, 1076, 1107, 1296, 1312, 1458, 1476, 1614, 1944, 1968, 2152, 2214, 2421, 2592, 2916, 2952, 3228, 3321, 3888, 3936, 4304, 4428, 4842, 5832, 5904, 6456, 6642, 7263, 7776, 8608, 8856, 9684, 9963, 11029, 11664, 11808, 12912, 13284, 14526, 17712, 19368, 19926, 21789, 22058, 23328, 25824, 26568, 29052, 29889, 33087, 35424, 38736, 39852, 43578, 44116, 53136, 58104, 59778, 65367, 66174, 77472, 79704, 87156, 88232, 99261, 106272, 116208, 119556, 130734, 132348, 159408, 174312, 176464, 196101, 198522, 232416, 239112, 261468, 264696, 297783, 318816, 348624, 352928, 392202, 397044, 478224, 522936, 529392, 595566, 697248, 784404, 794088, 893349, 956448, 1045872, 1058784, 1191132, 1568808, 1588176, 1786698, 2091744, 2382264, 2680047, 3137616, 3176352, 3573396, 4764528, 5360094, 6275232, 7146792, 8040141, 9529056, 10720188, 14293584, 16080282, 21440376, 28587168, 32160564, 42880752, 64321128, 85761504, 128642256, 257284512]

約数ペア:

[(1, 257284512), (2, 128642256), (3, 85761504), (4, 64321128), (6, 42880752), (8, 32160564), (9, 28587168), (12, 21440376), (16, 16080282), (18, 14293584), (24, 10720188), (27, 9529056), (32, 8040141), (36, 7146792), (41, 6275232), (48, 5360094), (54, 4764528), (72, 3573396), (81, 3176352), (82, 3137616), (96, 2680047), (108, 2382264), (123, 2091744), (144, 1786698), (162, 1588176), (164, 1568808), (216, 1191132), (243, 1058784), (246, 1045872), (269, 956448), (288, 893349), (324, 794088), (328, 784404), (369, 697248), (432, 595566), (486, 529392), (492, 522936), (538, 478224), (648, 397044), (656, 392202), (729, 352928), (738, 348624), (807, 318816), (864, 297783), (972, 264696), (984, 261468), (1076, 239112), (1107, 232416), (1296, 198522), (1312, 196101), (1458, 176464), (1476, 174312), (1614, 159408), (1944, 132348), (1968, 130734), (2152, 119556), (2214, 116208), (2421, 106272), (2592, 99261), (2916, 88232), (2952, 87156), (3228, 79704), (3321, 77472), (3888, 66174), (3936, 65367), (4304, 59778), (4428, 58104), (4842, 53136), (5832, 44116), (5904, 43578), (6456, 39852), (6642, 38736), (7263, 35424), (7776, 33087), (8608, 29889), (8856, 29052), (9684, 26568), (9963, 25824), (11029, 23328), (11664, 22058), (11808, 21789), (12912, 19926), (13284, 19368), (14526, 17712)]