257025312

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 240

約数和(自身を含む): 845238240

約数和(自身を除く): 588212928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 32, 34, 36, 38, 48, 51, 54, 57, 68, 72, 76, 81, 96, 102, 108, 114, 136, 144, 152, 153, 162, 171, 204, 216, 228, 272, 288, 304, 306, 307, 323, 324, 342, 408, 432, 456, 459, 513, 544, 608, 612, 614, 646, 648, 684, 816, 864, 912, 918, 921, 969, 1026, 1224, 1228, 1292, 1296, 1368, 1377, 1539, 1632, 1824, 1836, 1842, 1938, 2052, 2448, 2456, 2584, 2592, 2736, 2754, 2763, 2907, 3078, 3672, 3684, 3876, 4104, 4896, 4912, 5168, 5219, 5472, 5508, 5526, 5814, 5833, 6156, 7344, 7368, 7752, 8208, 8289, 8721, 9824, 10336, 10438, 11016, 11052, 11628, 11666, 12312, 14688, 14736, 15504, 15657, 16416, 16578, 17442, 17499, 20876, 22032, 22104, 23256, 23332, 24624, 24867, 26163, 29472, 31008, 31314, 33156, 34884, 34998, 41752, 44064, 44208, 46512, 46664, 46971, 49248, 49734, 52326, 52497, 62628, 66312, 69768, 69996, 83504, 88416, 93024, 93328, 93942, 99161, 99468, 104652, 104994, 125256, 132624, 139536, 139992, 140913, 157491, 167008, 186656, 187884, 198322, 198936, 209304, 209988, 250512, 265248, 279072, 279984, 281826, 297483, 314982, 375768, 396644, 397872, 418608, 419976, 422739, 472473, 501024, 559968, 563652, 594966, 629964, 751536, 793288, 795744, 837216, 839952, 845478, 892449, 944946, 1127304, 1189932, 1259928, 1503072, 1586576, 1679904, 1690956, 1784898, 1889892, 2254608, 2379864, 2519856, 2677347, 3173152, 3381912, 3569796, 3779784, 4509216, 4759728, 5039712, 5354694, 6763824, 7139592, 7559568, 8032041, 9519456, 10709388, 13527648, 14279184, 15119136, 16064082, 21418776, 28558368, 32128164, 42837552, 64256328, 85675104, 128512656, 257025312]

約数ペア:

[(1, 257025312), (2, 128512656), (3, 85675104), (4, 64256328), (6, 42837552), (8, 32128164), (9, 28558368), (12, 21418776), (16, 16064082), (17, 15119136), (18, 14279184), (19, 13527648), (24, 10709388), (27, 9519456), (32, 8032041), (34, 7559568), (36, 7139592), (38, 6763824), (48, 5354694), (51, 5039712), (54, 4759728), (57, 4509216), (68, 3779784), (72, 3569796), (76, 3381912), (81, 3173152), (96, 2677347), (102, 2519856), (108, 2379864), (114, 2254608), (136, 1889892), (144, 1784898), (152, 1690956), (153, 1679904), (162, 1586576), (171, 1503072), (204, 1259928), (216, 1189932), (228, 1127304), (272, 944946), (288, 892449), (304, 845478), (306, 839952), (307, 837216), (323, 795744), (324, 793288), (342, 751536), (408, 629964), (432, 594966), (456, 563652), (459, 559968), (513, 501024), (544, 472473), (608, 422739), (612, 419976), (614, 418608), (646, 397872), (648, 396644), (684, 375768), (816, 314982), (864, 297483), (912, 281826), (918, 279984), (921, 279072), (969, 265248), (1026, 250512), (1224, 209988), (1228, 209304), (1292, 198936), (1296, 198322), (1368, 187884), (1377, 186656), (1539, 167008), (1632, 157491), (1824, 140913), (1836, 139992), (1842, 139536), (1938, 132624), (2052, 125256), (2448, 104994), (2456, 104652), (2584, 99468), (2592, 99161), (2736, 93942), (2754, 93328), (2763, 93024), (2907, 88416), (3078, 83504), (3672, 69996), (3684, 69768), (3876, 66312), (4104, 62628), (4896, 52497), (4912, 52326), (5168, 49734), (5219, 49248), (5472, 46971), (5508, 46664), (5526, 46512), (5814, 44208), (5833, 44064), (6156, 41752), (7344, 34998), (7368, 34884), (7752, 33156), (8208, 31314), (8289, 31008), (8721, 29472), (9824, 26163), (10336, 24867), (10438, 24624), (11016, 23332), (11052, 23256), (11628, 22104), (11666, 22032), (12312, 20876), (14688, 17499), (14736, 17442), (15504, 16578), (15657, 16416)]