257849760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 288

約数和(自身を含む): 996287040

約数和(自身を除く): 738437280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 96, 98, 105, 112, 114, 120, 133, 140, 147, 152, 160, 168, 190, 196, 210, 224, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 480, 490, 532, 560, 570, 577, 588, 608, 665, 672, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1120, 1140, 1154, 1176, 1330, 1470, 1520, 1568, 1596, 1680, 1731, 1824, 1862, 1960, 1995, 2128, 2280, 2308, 2352, 2660, 2793, 2885, 2940, 3040, 3192, 3360, 3462, 3724, 3920, 3990, 4039, 4256, 4560, 4616, 4655, 4704, 5320, 5586, 5770, 5880, 6384, 6924, 7448, 7840, 7980, 8078, 8655, 9120, 9232, 9310, 10640, 10963, 11172, 11540, 11760, 12117, 12768, 13848, 13965, 14896, 15960, 16156, 17310, 18464, 18620, 20195, 21280, 21926, 22344, 23080, 23520, 24234, 27696, 27930, 28273, 29792, 31920, 32312, 32889, 34620, 37240, 40390, 43852, 44688, 46160, 48468, 54815, 55392, 55860, 56546, 60585, 63840, 64624, 65778, 69240, 74480, 76741, 80780, 84819, 87704, 89376, 92320, 96936, 109630, 111720, 113092, 121170, 129248, 131556, 138480, 141365, 148960, 153482, 161560, 164445, 169638, 175408, 193872, 219260, 223440, 226184, 230223, 242340, 263112, 276960, 282730, 306964, 323120, 328890, 339276, 350816, 383705, 387744, 424095, 438520, 446880, 452368, 460446, 484680, 526224, 537187, 565460, 613928, 646240, 657780, 678552, 767410, 848190, 877040, 904736, 920892, 969360, 1052448, 1074374, 1130920, 1151115, 1227856, 1315560, 1357104, 1534820, 1611561, 1696380, 1754080, 1841784, 1938720, 2148748, 2261840, 2302230, 2455712, 2631120, 2685935, 2714208, 3069640, 3223122, 3392760, 3683568, 4297496, 4523680, 4604460, 5262240, 5371870, 6139280, 6446244, 6785520, 7367136, 8057805, 8594992, 9208920, 10743740, 12278560, 12892488, 13571040, 16115610, 17189984, 18417840, 21487480, 25784976, 32231220, 36835680, 42974960, 51569952, 64462440, 85949920, 128924880, 257849760]

約数ペア:

[(1, 257849760), (2, 128924880), (3, 85949920), (4, 64462440), (5, 51569952), (6, 42974960), (7, 36835680), (8, 32231220), (10, 25784976), (12, 21487480), (14, 18417840), (15, 17189984), (16, 16115610), (19, 13571040), (20, 12892488), (21, 12278560), (24, 10743740), (28, 9208920), (30, 8594992), (32, 8057805), (35, 7367136), (38, 6785520), (40, 6446244), (42, 6139280), (48, 5371870), (49, 5262240), (56, 4604460), (57, 4523680), (60, 4297496), (70, 3683568), (76, 3392760), (80, 3223122), (84, 3069640), (95, 2714208), (96, 2685935), (98, 2631120), (105, 2455712), (112, 2302230), (114, 2261840), (120, 2148748), (133, 1938720), (140, 1841784), (147, 1754080), (152, 1696380), (160, 1611561), (168, 1534820), (190, 1357104), (196, 1315560), (210, 1227856), (224, 1151115), (228, 1130920), (240, 1074374), (245, 1052448), (266, 969360), (280, 920892), (285, 904736), (294, 877040), (304, 848190), (336, 767410), (380, 678552), (392, 657780), (399, 646240), (420, 613928), (456, 565460), (480, 537187), (490, 526224), (532, 484680), (560, 460446), (570, 452368), (577, 446880), (588, 438520), (608, 424095), (665, 387744), (672, 383705), (735, 350816), (760, 339276), (784, 328890), (798, 323120), (840, 306964), (912, 282730), (931, 276960), (980, 263112), (1064, 242340), (1120, 230223), (1140, 226184), (1154, 223440), (1176, 219260), (1330, 193872), (1470, 175408), (1520, 169638), (1568, 164445), (1596, 161560), (1680, 153482), (1731, 148960), (1824, 141365), (1862, 138480), (1960, 131556), (1995, 129248), (2128, 121170), (2280, 113092), (2308, 111720), (2352, 109630), (2660, 96936), (2793, 92320), (2885, 89376), (2940, 87704), (3040, 84819), (3192, 80780), (3360, 76741), (3462, 74480), (3724, 69240), (3920, 65778), (3990, 64624), (4039, 63840), (4256, 60585), (4560, 56546), (4616, 55860), (4655, 55392), (4704, 54815), (5320, 48468), (5586, 46160), (5770, 44688), (5880, 43852), (6384, 40390), (6924, 37240), (7448, 34620), (7840, 32889), (7980, 32312), (8078, 31920), (8655, 29792), (9120, 28273), (9232, 27930), (9310, 27696), (10640, 24234), (10963, 23520), (11172, 23080), (11540, 22344), (11760, 21926), (12117, 21280), (12768, 20195), (13848, 18620), (13965, 18464), (14896, 17310), (15960, 16156)]