257490432

素因数分解:

$2^9\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 240

約数和(自身を含む): 833049360

約数和(自身を除く): 575558928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 32, 34, 36, 38, 48, 51, 57, 64, 68, 72, 76, 96, 102, 114, 128, 136, 144, 152, 153, 171, 173, 192, 204, 228, 256, 272, 288, 304, 306, 323, 342, 346, 384, 408, 456, 512, 519, 544, 576, 608, 612, 646, 684, 692, 768, 816, 912, 969, 1038, 1088, 1152, 1216, 1224, 1292, 1368, 1384, 1536, 1557, 1632, 1824, 1938, 2076, 2176, 2304, 2432, 2448, 2584, 2736, 2768, 2907, 2941, 3114, 3264, 3287, 3648, 3876, 4152, 4352, 4608, 4864, 4896, 5168, 5472, 5536, 5814, 5882, 6228, 6528, 6574, 7296, 7752, 8304, 8704, 8823, 9728, 9792, 9861, 10336, 10944, 11072, 11628, 11764, 12456, 13056, 13148, 14592, 15504, 16608, 17646, 19584, 19722, 20672, 21888, 22144, 23256, 23528, 24912, 26112, 26296, 26469, 29184, 29583, 31008, 33216, 35292, 39168, 39444, 41344, 43776, 44288, 46512, 47056, 49824, 52592, 52938, 55879, 59166, 62016, 66432, 70584, 78336, 78888, 82688, 87552, 88576, 93024, 94112, 99648, 105184, 105876, 111758, 118332, 124032, 132864, 141168, 157776, 165376, 167637, 186048, 188224, 199296, 210368, 211752, 223516, 236664, 248064, 265728, 282336, 315552, 335274, 372096, 376448, 398592, 420736, 423504, 447032, 473328, 496128, 502911, 564672, 631104, 670548, 744192, 752896, 797184, 841472, 847008, 894064, 946656, 1005822, 1129344, 1262208, 1341096, 1488384, 1505792, 1682944, 1694016, 1788128, 1893312, 2011644, 2258688, 2524416, 2682192, 3388032, 3576256, 3786624, 4023288, 4517376, 5048832, 5364384, 6776064, 7152512, 7573248, 8046576, 10728768, 13552128, 14305024, 15146496, 16093152, 21457536, 28610048, 32186304, 42915072, 64372608, 85830144, 128745216, 257490432]

約数ペア:

[(1, 257490432), (2, 128745216), (3, 85830144), (4, 64372608), (6, 42915072), (8, 32186304), (9, 28610048), (12, 21457536), (16, 16093152), (17, 15146496), (18, 14305024), (19, 13552128), (24, 10728768), (32, 8046576), (34, 7573248), (36, 7152512), (38, 6776064), (48, 5364384), (51, 5048832), (57, 4517376), (64, 4023288), (68, 3786624), (72, 3576256), (76, 3388032), (96, 2682192), (102, 2524416), (114, 2258688), (128, 2011644), (136, 1893312), (144, 1788128), (152, 1694016), (153, 1682944), (171, 1505792), (173, 1488384), (192, 1341096), (204, 1262208), (228, 1129344), (256, 1005822), (272, 946656), (288, 894064), (304, 847008), (306, 841472), (323, 797184), (342, 752896), (346, 744192), (384, 670548), (408, 631104), (456, 564672), (512, 502911), (519, 496128), (544, 473328), (576, 447032), (608, 423504), (612, 420736), (646, 398592), (684, 376448), (692, 372096), (768, 335274), (816, 315552), (912, 282336), (969, 265728), (1038, 248064), (1088, 236664), (1152, 223516), (1216, 211752), (1224, 210368), (1292, 199296), (1368, 188224), (1384, 186048), (1536, 167637), (1557, 165376), (1632, 157776), (1824, 141168), (1938, 132864), (2076, 124032), (2176, 118332), (2304, 111758), (2432, 105876), (2448, 105184), (2584, 99648), (2736, 94112), (2768, 93024), (2907, 88576), (2941, 87552), (3114, 82688), (3264, 78888), (3287, 78336), (3648, 70584), (3876, 66432), (4152, 62016), (4352, 59166), (4608, 55879), (4864, 52938), (4896, 52592), (5168, 49824), (5472, 47056), (5536, 46512), (5814, 44288), (5882, 43776), (6228, 41344), (6528, 39444), (6574, 39168), (7296, 35292), (7752, 33216), (8304, 31008), (8704, 29583), (8823, 29184), (9728, 26469), (9792, 26296), (9861, 26112), (10336, 24912), (10944, 23528), (11072, 23256), (11628, 22144), (11764, 21888), (12456, 20672), (13056, 19722), (13148, 19584), (14592, 17646), (15504, 16608)]