1680983808

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2403

約数の個数: 216

約数和(自身を含む): 5480536320

約数和(自身を除く): 3799552512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 64, 76, 84, 96, 98, 112, 114, 128, 133, 147, 152, 168, 192, 196, 224, 228, 256, 266, 294, 304, 336, 384, 392, 399, 448, 456, 532, 588, 608, 672, 768, 784, 798, 896, 912, 931, 1064, 1176, 1216, 1344, 1568, 1596, 1792, 1824, 1862, 2128, 2351, 2352, 2432, 2688, 2793, 3136, 3192, 3648, 3724, 4256, 4702, 4704, 4864, 5376, 5586, 6272, 6384, 7053, 7296, 7448, 8512, 9404, 9408, 11172, 12544, 12768, 14106, 14592, 14896, 16457, 17024, 18808, 18816, 22344, 25536, 28212, 29792, 32914, 34048, 37616, 37632, 44669, 44688, 49371, 51072, 56424, 59584, 65828, 75232, 89338, 89376, 98742, 102144, 112848, 115199, 119168, 131656, 134007, 150464, 178676, 178752, 197484, 225696, 230398, 238336, 263312, 268014, 300928, 312683, 345597, 357352, 357504, 394968, 451392, 460796, 526624, 536028, 601856, 625366, 691194, 714704, 715008, 789936, 902784, 921592, 938049, 1053248, 1072056, 1250732, 1382388, 1429408, 1579872, 1805568, 1843184, 1876098, 2106496, 2144112, 2188781, 2501464, 2764776, 2858816, 3159744, 3686368, 3752196, 4212992, 4288224, 4377562, 5002928, 5529552, 5717632, 6319488, 6566343, 7372736, 7504392, 8576448, 8755124, 10005856, 11059104, 11435264, 12638976, 13132686, 14745472, 15008784, 17152896, 17510248, 20011712, 22118208, 26265372, 29490944, 30017568, 34305792, 35020496, 40023424, 44236416, 52530744, 60035136, 70040992, 80046848, 88472832, 105061488, 120070272, 140081984, 210122976, 240140544, 280163968, 420245952, 560327936, 840491904, 1680983808]

約数ペア:

[(1, 1680983808), (2, 840491904), (3, 560327936), (4, 420245952), (6, 280163968), (7, 240140544), (8, 210122976), (12, 140081984), (14, 120070272), (16, 105061488), (19, 88472832), (21, 80046848), (24, 70040992), (28, 60035136), (32, 52530744), (38, 44236416), (42, 40023424), (48, 35020496), (49, 34305792), (56, 30017568), (57, 29490944), (64, 26265372), (76, 22118208), (84, 20011712), (96, 17510248), (98, 17152896), (112, 15008784), (114, 14745472), (128, 13132686), (133, 12638976), (147, 11435264), (152, 11059104), (168, 10005856), (192, 8755124), (196, 8576448), (224, 7504392), (228, 7372736), (256, 6566343), (266, 6319488), (294, 5717632), (304, 5529552), (336, 5002928), (384, 4377562), (392, 4288224), (399, 4212992), (448, 3752196), (456, 3686368), (532, 3159744), (588, 2858816), (608, 2764776), (672, 2501464), (768, 2188781), (784, 2144112), (798, 2106496), (896, 1876098), (912, 1843184), (931, 1805568), (1064, 1579872), (1176, 1429408), (1216, 1382388), (1344, 1250732), (1568, 1072056), (1596, 1053248), (1792, 938049), (1824, 921592), (1862, 902784), (2128, 789936), (2351, 715008), (2352, 714704), (2432, 691194), (2688, 625366), (2793, 601856), (3136, 536028), (3192, 526624), (3648, 460796), (3724, 451392), (4256, 394968), (4702, 357504), (4704, 357352), (4864, 345597), (5376, 312683), (5586, 300928), (6272, 268014), (6384, 263312), (7053, 238336), (7296, 230398), (7448, 225696), (8512, 197484), (9404, 178752), (9408, 178676), (11172, 150464), (12544, 134007), (12768, 131656), (14106, 119168), (14592, 115199), (14896, 112848), (16457, 102144), (17024, 98742), (18808, 89376), (18816, 89338), (22344, 75232), (25536, 65828), (28212, 59584), (29792, 56424), (32914, 51072), (34048, 49371), (37616, 44688), (37632, 44669)]