257086872

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 874074960

約数和(自身を除く): 616988088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 81, 84, 108, 114, 126, 133, 152, 157, 162, 168, 171, 189, 216, 228, 252, 266, 314, 324, 342, 361, 378, 399, 456, 471, 504, 513, 532, 567, 628, 648, 684, 722, 756, 798, 942, 1026, 1064, 1083, 1099, 1134, 1197, 1256, 1368, 1413, 1444, 1512, 1539, 1596, 1884, 2052, 2166, 2198, 2268, 2394, 2527, 2826, 2888, 2983, 3078, 3192, 3249, 3297, 3591, 3768, 4104, 4239, 4332, 4396, 4536, 4788, 5054, 5652, 5966, 6156, 6498, 6594, 7182, 7581, 8478, 8664, 8792, 8949, 9576, 9747, 9891, 10108, 10773, 11304, 11932, 12312, 12717, 12996, 13188, 14364, 15162, 16956, 17898, 19494, 19782, 20216, 20881, 21546, 22743, 23864, 25434, 25992, 26376, 26847, 28728, 29241, 29673, 30324, 33912, 35796, 38988, 39564, 41762, 43092, 45486, 50868, 53694, 56677, 58482, 59346, 60648, 62643, 68229, 71592, 77976, 79128, 80541, 83524, 86184, 89019, 90972, 101736, 107388, 113354, 116964, 118692, 125286, 136458, 161082, 167048, 170031, 178038, 181944, 187929, 204687, 214776, 226708, 233928, 237384, 241623, 250572, 272916, 322164, 340062, 356076, 375858, 396739, 409374, 453416, 483246, 501144, 510093, 545832, 563787, 644328, 680124, 712152, 751716, 793478, 818748, 966492, 1020186, 1127574, 1190217, 1360248, 1503432, 1530279, 1586956, 1637496, 1691361, 1932984, 2040372, 2255148, 2380434, 3060558, 3173912, 3382722, 3570651, 4080744, 4510296, 4590837, 4760868, 6121116, 6765444, 7141302, 9181674, 9521736, 10711953, 12242232, 13530888, 14282604, 18363348, 21423906, 28565208, 32135859, 36726696, 42847812, 64271718, 85695624, 128543436, 257086872]

約数ペア:

[(1, 257086872), (2, 128543436), (3, 85695624), (4, 64271718), (6, 42847812), (7, 36726696), (8, 32135859), (9, 28565208), (12, 21423906), (14, 18363348), (18, 14282604), (19, 13530888), (21, 12242232), (24, 10711953), (27, 9521736), (28, 9181674), (36, 7141302), (38, 6765444), (42, 6121116), (54, 4760868), (56, 4590837), (57, 4510296), (63, 4080744), (72, 3570651), (76, 3382722), (81, 3173912), (84, 3060558), (108, 2380434), (114, 2255148), (126, 2040372), (133, 1932984), (152, 1691361), (157, 1637496), (162, 1586956), (168, 1530279), (171, 1503432), (189, 1360248), (216, 1190217), (228, 1127574), (252, 1020186), (266, 966492), (314, 818748), (324, 793478), (342, 751716), (361, 712152), (378, 680124), (399, 644328), (456, 563787), (471, 545832), (504, 510093), (513, 501144), (532, 483246), (567, 453416), (628, 409374), (648, 396739), (684, 375858), (722, 356076), (756, 340062), (798, 322164), (942, 272916), (1026, 250572), (1064, 241623), (1083, 237384), (1099, 233928), (1134, 226708), (1197, 214776), (1256, 204687), (1368, 187929), (1413, 181944), (1444, 178038), (1512, 170031), (1539, 167048), (1596, 161082), (1884, 136458), (2052, 125286), (2166, 118692), (2198, 116964), (2268, 113354), (2394, 107388), (2527, 101736), (2826, 90972), (2888, 89019), (2983, 86184), (3078, 83524), (3192, 80541), (3249, 79128), (3297, 77976), (3591, 71592), (3768, 68229), (4104, 62643), (4239, 60648), (4332, 59346), (4396, 58482), (4536, 56677), (4788, 53694), (5054, 50868), (5652, 45486), (5966, 43092), (6156, 41762), (6498, 39564), (6594, 38988), (7182, 35796), (7581, 33912), (8478, 30324), (8664, 29673), (8792, 29241), (8949, 28728), (9576, 26847), (9747, 26376), (9891, 25992), (10108, 25434), (10773, 23864), (11304, 22743), (11932, 21546), (12312, 20881), (12717, 20216), (12996, 19782), (13188, 19494), (14364, 17898), (15162, 16956)]