257959680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 288

約数和(自身を含む): 932456448

約数和(自身を除く): 674496768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 197, 220, 240, 248, 256, 264, 310, 320, 330, 341, 352, 372, 384, 394, 440, 465, 480, 496, 528, 591, 620, 640, 660, 682, 704, 744, 768, 788, 880, 930, 960, 985, 992, 1023, 1056, 1182, 1240, 1280, 1320, 1364, 1408, 1488, 1576, 1705, 1760, 1860, 1920, 1970, 1984, 2046, 2112, 2167, 2364, 2480, 2640, 2728, 2816, 2955, 2976, 3152, 3410, 3520, 3720, 3840, 3940, 3968, 4092, 4224, 4334, 4728, 4960, 5115, 5280, 5456, 5910, 5952, 6107, 6304, 6501, 6820, 7040, 7440, 7880, 7936, 8184, 8448, 8668, 9456, 9920, 10230, 10560, 10835, 10912, 11820, 11904, 12214, 12608, 13002, 13640, 14080, 14880, 15760, 16368, 17336, 18321, 18912, 19840, 20460, 21120, 21670, 21824, 23640, 23808, 24428, 25216, 26004, 27280, 29760, 30535, 31520, 32505, 32736, 34672, 36642, 37824, 39680, 40920, 42240, 43340, 43648, 47280, 48856, 50432, 52008, 54560, 59520, 61070, 63040, 65010, 65472, 67177, 69344, 73284, 75648, 81840, 86680, 87296, 91605, 94560, 97712, 104016, 109120, 119040, 122140, 126080, 130020, 130944, 134354, 138688, 146568, 151296, 163680, 173360, 183210, 189120, 195424, 201531, 208032, 218240, 244280, 252160, 260040, 261888, 268708, 277376, 293136, 327360, 335885, 346720, 366420, 378240, 390848, 403062, 416064, 436480, 488560, 520080, 537416, 554752, 586272, 654720, 671770, 693440, 732840, 756480, 781696, 806124, 832128, 977120, 1007655, 1040160, 1074832, 1172544, 1309440, 1343540, 1386880, 1465680, 1563392, 1612248, 1664256, 1954240, 2015310, 2080320, 2149664, 2345088, 2687080, 2773760, 2931360, 3224496, 3908480, 4030620, 4160640, 4299328, 4690176, 5374160, 5862720, 6448992, 7816960, 8061240, 8321280, 8598656, 10748320, 11725440, 12897984, 16122480, 17197312, 21496640, 23450880, 25795968, 32244960, 42993280, 51591936, 64489920, 85986560, 128979840, 257959680]

約数ペア:

[(1, 257959680), (2, 128979840), (3, 85986560), (4, 64489920), (5, 51591936), (6, 42993280), (8, 32244960), (10, 25795968), (11, 23450880), (12, 21496640), (15, 17197312), (16, 16122480), (20, 12897984), (22, 11725440), (24, 10748320), (30, 8598656), (31, 8321280), (32, 8061240), (33, 7816960), (40, 6448992), (44, 5862720), (48, 5374160), (55, 4690176), (60, 4299328), (62, 4160640), (64, 4030620), (66, 3908480), (80, 3224496), (88, 2931360), (93, 2773760), (96, 2687080), (110, 2345088), (120, 2149664), (124, 2080320), (128, 2015310), (132, 1954240), (155, 1664256), (160, 1612248), (165, 1563392), (176, 1465680), (186, 1386880), (192, 1343540), (197, 1309440), (220, 1172544), (240, 1074832), (248, 1040160), (256, 1007655), (264, 977120), (310, 832128), (320, 806124), (330, 781696), (341, 756480), (352, 732840), (372, 693440), (384, 671770), (394, 654720), (440, 586272), (465, 554752), (480, 537416), (496, 520080), (528, 488560), (591, 436480), (620, 416064), (640, 403062), (660, 390848), (682, 378240), (704, 366420), (744, 346720), (768, 335885), (788, 327360), (880, 293136), (930, 277376), (960, 268708), (985, 261888), (992, 260040), (1023, 252160), (1056, 244280), (1182, 218240), (1240, 208032), (1280, 201531), (1320, 195424), (1364, 189120), (1408, 183210), (1488, 173360), (1576, 163680), (1705, 151296), (1760, 146568), (1860, 138688), (1920, 134354), (1970, 130944), (1984, 130020), (2046, 126080), (2112, 122140), (2167, 119040), (2364, 109120), (2480, 104016), (2640, 97712), (2728, 94560), (2816, 91605), (2955, 87296), (2976, 86680), (3152, 81840), (3410, 75648), (3520, 73284), (3720, 69344), (3840, 67177), (3940, 65472), (3968, 65010), (4092, 63040), (4224, 61070), (4334, 59520), (4728, 54560), (4960, 52008), (5115, 50432), (5280, 48856), (5456, 47280), (5910, 43648), (5952, 43340), (6107, 42240), (6304, 40920), (6501, 39680), (6820, 37824), (7040, 36642), (7440, 34672), (7880, 32736), (7936, 32505), (8184, 31520), (8448, 30535), (8668, 29760), (9456, 27280), (9920, 26004), (10230, 25216), (10560, 24428), (10835, 23808), (10912, 23640), (11820, 21824), (11904, 21670), (12214, 21120), (12608, 20460), (13002, 19840), (13640, 18912), (14080, 18321), (14880, 17336), (15760, 16368)]