257364480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 320

約数和(自身を含む): 905084928

約数和(自身を除く): 647720448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 47, 48, 60, 62, 64, 69, 80, 92, 93, 94, 96, 115, 120, 124, 128, 138, 141, 155, 160, 184, 186, 188, 192, 230, 235, 240, 248, 256, 276, 282, 310, 320, 345, 368, 372, 376, 384, 460, 465, 470, 480, 496, 512, 552, 564, 620, 640, 690, 705, 713, 736, 744, 752, 768, 920, 930, 940, 960, 992, 1081, 1104, 1128, 1240, 1280, 1380, 1410, 1426, 1457, 1472, 1488, 1504, 1536, 1840, 1860, 1880, 1920, 1984, 2139, 2162, 2208, 2256, 2480, 2560, 2760, 2820, 2852, 2914, 2944, 2976, 3008, 3243, 3565, 3680, 3720, 3760, 3840, 3968, 4278, 4324, 4371, 4416, 4512, 4960, 5405, 5520, 5640, 5704, 5828, 5888, 5952, 6016, 6486, 7130, 7285, 7360, 7440, 7520, 7680, 7936, 8556, 8648, 8742, 8832, 9024, 9920, 10695, 10810, 11040, 11280, 11408, 11656, 11776, 11904, 12032, 12972, 14260, 14570, 14720, 14880, 15040, 15872, 16215, 17112, 17296, 17484, 17664, 18048, 19840, 21390, 21620, 21855, 22080, 22560, 22816, 23312, 23808, 24064, 25944, 28520, 29140, 29440, 29760, 30080, 32430, 33511, 34224, 34592, 34968, 35328, 36096, 39680, 42780, 43240, 43710, 44160, 45120, 45632, 46624, 47616, 51888, 57040, 58280, 58880, 59520, 60160, 64860, 67022, 68448, 69184, 69936, 72192, 79360, 85560, 86480, 87420, 88320, 90240, 91264, 93248, 100533, 103776, 114080, 116560, 119040, 120320, 129720, 134044, 136896, 138368, 139872, 167555, 171120, 172960, 174840, 176640, 180480, 182528, 186496, 201066, 207552, 228160, 233120, 238080, 259440, 268088, 273792, 276736, 279744, 335110, 342240, 345920, 349680, 360960, 365056, 372992, 402132, 415104, 456320, 466240, 502665, 518880, 536176, 547584, 553472, 559488, 670220, 684480, 691840, 699360, 745984, 804264, 830208, 912640, 932480, 1005330, 1037760, 1072352, 1095168, 1118976, 1340440, 1368960, 1383680, 1398720, 1608528, 1660416, 1825280, 1864960, 2010660, 2075520, 2144704, 2237952, 2680880, 2737920, 2767360, 2797440, 3217056, 3729920, 4021320, 4151040, 4289408, 5361760, 5475840, 5594880, 6434112, 8042640, 8302080, 8578816, 10723520, 11189760, 12868224, 16085280, 17157632, 21447040, 25736448, 32170560, 42894080, 51472896, 64341120, 85788160, 128682240, 257364480]

約数ペア:

[(1, 257364480), (2, 128682240), (3, 85788160), (4, 64341120), (5, 51472896), (6, 42894080), (8, 32170560), (10, 25736448), (12, 21447040), (15, 17157632), (16, 16085280), (20, 12868224), (23, 11189760), (24, 10723520), (30, 8578816), (31, 8302080), (32, 8042640), (40, 6434112), (46, 5594880), (47, 5475840), (48, 5361760), (60, 4289408), (62, 4151040), (64, 4021320), (69, 3729920), (80, 3217056), (92, 2797440), (93, 2767360), (94, 2737920), (96, 2680880), (115, 2237952), (120, 2144704), (124, 2075520), (128, 2010660), (138, 1864960), (141, 1825280), (155, 1660416), (160, 1608528), (184, 1398720), (186, 1383680), (188, 1368960), (192, 1340440), (230, 1118976), (235, 1095168), (240, 1072352), (248, 1037760), (256, 1005330), (276, 932480), (282, 912640), (310, 830208), (320, 804264), (345, 745984), (368, 699360), (372, 691840), (376, 684480), (384, 670220), (460, 559488), (465, 553472), (470, 547584), (480, 536176), (496, 518880), (512, 502665), (552, 466240), (564, 456320), (620, 415104), (640, 402132), (690, 372992), (705, 365056), (713, 360960), (736, 349680), (744, 345920), (752, 342240), (768, 335110), (920, 279744), (930, 276736), (940, 273792), (960, 268088), (992, 259440), (1081, 238080), (1104, 233120), (1128, 228160), (1240, 207552), (1280, 201066), (1380, 186496), (1410, 182528), (1426, 180480), (1457, 176640), (1472, 174840), (1488, 172960), (1504, 171120), (1536, 167555), (1840, 139872), (1860, 138368), (1880, 136896), (1920, 134044), (1984, 129720), (2139, 120320), (2162, 119040), (2208, 116560), (2256, 114080), (2480, 103776), (2560, 100533), (2760, 93248), (2820, 91264), (2852, 90240), (2914, 88320), (2944, 87420), (2976, 86480), (3008, 85560), (3243, 79360), (3565, 72192), (3680, 69936), (3720, 69184), (3760, 68448), (3840, 67022), (3968, 64860), (4278, 60160), (4324, 59520), (4371, 58880), (4416, 58280), (4512, 57040), (4960, 51888), (5405, 47616), (5520, 46624), (5640, 45632), (5704, 45120), (5828, 44160), (5888, 43710), (5952, 43240), (6016, 42780), (6486, 39680), (7130, 36096), (7285, 35328), (7360, 34968), (7440, 34592), (7520, 34224), (7680, 33511), (7936, 32430), (8556, 30080), (8648, 29760), (8742, 29440), (8832, 29140), (9024, 28520), (9920, 25944), (10695, 24064), (10810, 23808), (11040, 23312), (11280, 22816), (11408, 22560), (11656, 22080), (11776, 21855), (11904, 21620), (12032, 21390), (12972, 19840), (14260, 18048), (14570, 17664), (14720, 17484), (14880, 17296), (15040, 17112), (15872, 16215)]