281258880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1277

約数の個数: 256

約数和(自身を含む): 1085736960

約数和(自身を除く): 804478080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 595, 640, 672, 680, 714, 816, 840, 896, 952, 960, 1020, 1088, 1120, 1190, 1231, 1344, 1360, 1428, 1632, 1680, 1785, 1904, 1920, 2040, 2176, 2240, 2380, 2462, 2688, 2720, 2856, 3264, 3360, 3570, 3693, 3808, 4080, 4480, 4760, 4924, 5440, 5712, 6155, 6528, 6720, 7140, 7386, 7616, 8160, 8617, 9520, 9848, 10880, 11424, 12310, 13440, 14280, 14772, 15232, 16320, 17234, 18465, 19040, 19696, 20927, 22848, 24620, 25851, 28560, 29544, 32640, 34468, 36930, 38080, 39392, 41854, 43085, 45696, 49240, 51702, 57120, 59088, 62781, 68936, 73860, 76160, 78784, 83708, 86170, 98480, 103404, 104635, 114240, 118176, 125562, 129255, 137872, 146489, 147720, 157568, 167416, 172340, 196960, 206808, 209270, 228480, 236352, 251124, 258510, 275744, 292978, 295440, 313905, 334832, 344680, 393920, 413616, 418540, 439467, 472704, 502248, 517020, 551488, 585956, 590880, 627810, 669664, 689360, 732445, 787840, 827232, 837080, 878934, 1004496, 1034040, 1102976, 1171912, 1181760, 1255620, 1339328, 1378720, 1464890, 1654464, 1674160, 1757868, 2008992, 2068080, 2197335, 2343824, 2363520, 2511240, 2678656, 2757440, 2929780, 3308928, 3348320, 3515736, 4017984, 4136160, 4394670, 4687648, 5022480, 5514880, 5859560, 6696640, 7031472, 8035968, 8272320, 8789340, 9375296, 10044960, 11719120, 13393280, 14062944, 16544640, 17578680, 18750592, 20089920, 23438240, 28125888, 35157360, 40179840, 46876480, 56251776, 70314720, 93752960, 140629440, 281258880]

約数ペア:

[(1, 281258880), (2, 140629440), (3, 93752960), (4, 70314720), (5, 56251776), (6, 46876480), (7, 40179840), (8, 35157360), (10, 28125888), (12, 23438240), (14, 20089920), (15, 18750592), (16, 17578680), (17, 16544640), (20, 14062944), (21, 13393280), (24, 11719120), (28, 10044960), (30, 9375296), (32, 8789340), (34, 8272320), (35, 8035968), (40, 7031472), (42, 6696640), (48, 5859560), (51, 5514880), (56, 5022480), (60, 4687648), (64, 4394670), (68, 4136160), (70, 4017984), (80, 3515736), (84, 3348320), (85, 3308928), (96, 2929780), (102, 2757440), (105, 2678656), (112, 2511240), (119, 2363520), (120, 2343824), (128, 2197335), (136, 2068080), (140, 2008992), (160, 1757868), (168, 1674160), (170, 1654464), (192, 1464890), (204, 1378720), (210, 1339328), (224, 1255620), (238, 1181760), (240, 1171912), (255, 1102976), (272, 1034040), (280, 1004496), (320, 878934), (336, 837080), (340, 827232), (357, 787840), (384, 732445), (408, 689360), (420, 669664), (448, 627810), (476, 590880), (480, 585956), (510, 551488), (544, 517020), (560, 502248), (595, 472704), (640, 439467), (672, 418540), (680, 413616), (714, 393920), (816, 344680), (840, 334832), (896, 313905), (952, 295440), (960, 292978), (1020, 275744), (1088, 258510), (1120, 251124), (1190, 236352), (1231, 228480), (1344, 209270), (1360, 206808), (1428, 196960), (1632, 172340), (1680, 167416), (1785, 157568), (1904, 147720), (1920, 146489), (2040, 137872), (2176, 129255), (2240, 125562), (2380, 118176), (2462, 114240), (2688, 104635), (2720, 103404), (2856, 98480), (3264, 86170), (3360, 83708), (3570, 78784), (3693, 76160), (3808, 73860), (4080, 68936), (4480, 62781), (4760, 59088), (4924, 57120), (5440, 51702), (5712, 49240), (6155, 45696), (6528, 43085), (6720, 41854), (7140, 39392), (7386, 38080), (7616, 36930), (8160, 34468), (8617, 32640), (9520, 29544), (9848, 28560), (10880, 25851), (11424, 24620), (12310, 22848), (13440, 20927), (14280, 19696), (14772, 19040), (15232, 18465), (16320, 17234)]