261036288

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 216

約数和(自身を含む): 813103200

約数和(自身を除く): 552066912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 67, 72, 76, 89, 96, 114, 128, 134, 144, 152, 171, 178, 192, 201, 228, 256, 267, 268, 288, 304, 342, 356, 384, 402, 456, 534, 536, 576, 603, 608, 684, 712, 768, 801, 804, 912, 1068, 1072, 1152, 1206, 1216, 1273, 1368, 1424, 1602, 1608, 1691, 1824, 2136, 2144, 2304, 2412, 2432, 2546, 2736, 2848, 3204, 3216, 3382, 3648, 3819, 4272, 4288, 4824, 4864, 5073, 5092, 5472, 5696, 5963, 6408, 6432, 6764, 7296, 7638, 8544, 8576, 9648, 10146, 10184, 10944, 11392, 11457, 11926, 12816, 12864, 13528, 14592, 15219, 15276, 17088, 17152, 17889, 19296, 20292, 20368, 21888, 22784, 22914, 23852, 25632, 25728, 27056, 30438, 30552, 34176, 35778, 38592, 40584, 40736, 43776, 45828, 47704, 51264, 51456, 53667, 54112, 60876, 61104, 68352, 71556, 77184, 81168, 81472, 91656, 95408, 102528, 107334, 108224, 113297, 121752, 122208, 143112, 154368, 162336, 162944, 183312, 190816, 205056, 214668, 216448, 226594, 243504, 244416, 286224, 324672, 325888, 339891, 366624, 381632, 429336, 432896, 453188, 487008, 488832, 572448, 649344, 679782, 733248, 763264, 858672, 906376, 974016, 977664, 1019673, 1144896, 1298688, 1359564, 1466496, 1526528, 1717344, 1812752, 1948032, 2039346, 2289792, 2719128, 2932992, 3434688, 3625504, 3896064, 4078692, 4579584, 5438256, 6869376, 7251008, 8157384, 10876512, 13738752, 14502016, 16314768, 21753024, 29004032, 32629536, 43506048, 65259072, 87012096, 130518144, 261036288]

約数ペア:

[(1, 261036288), (2, 130518144), (3, 87012096), (4, 65259072), (6, 43506048), (8, 32629536), (9, 29004032), (12, 21753024), (16, 16314768), (18, 14502016), (19, 13738752), (24, 10876512), (32, 8157384), (36, 7251008), (38, 6869376), (48, 5438256), (57, 4579584), (64, 4078692), (67, 3896064), (72, 3625504), (76, 3434688), (89, 2932992), (96, 2719128), (114, 2289792), (128, 2039346), (134, 1948032), (144, 1812752), (152, 1717344), (171, 1526528), (178, 1466496), (192, 1359564), (201, 1298688), (228, 1144896), (256, 1019673), (267, 977664), (268, 974016), (288, 906376), (304, 858672), (342, 763264), (356, 733248), (384, 679782), (402, 649344), (456, 572448), (534, 488832), (536, 487008), (576, 453188), (603, 432896), (608, 429336), (684, 381632), (712, 366624), (768, 339891), (801, 325888), (804, 324672), (912, 286224), (1068, 244416), (1072, 243504), (1152, 226594), (1206, 216448), (1216, 214668), (1273, 205056), (1368, 190816), (1424, 183312), (1602, 162944), (1608, 162336), (1691, 154368), (1824, 143112), (2136, 122208), (2144, 121752), (2304, 113297), (2412, 108224), (2432, 107334), (2546, 102528), (2736, 95408), (2848, 91656), (3204, 81472), (3216, 81168), (3382, 77184), (3648, 71556), (3819, 68352), (4272, 61104), (4288, 60876), (4824, 54112), (4864, 53667), (5073, 51456), (5092, 51264), (5472, 47704), (5696, 45828), (5963, 43776), (6408, 40736), (6432, 40584), (6764, 38592), (7296, 35778), (7638, 34176), (8544, 30552), (8576, 30438), (9648, 27056), (10146, 25728), (10184, 25632), (10944, 23852), (11392, 22914), (11457, 22784), (11926, 21888), (12816, 20368), (12864, 20292), (13528, 19296), (14592, 17889), (15219, 17152), (15276, 17088)]