890056640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 168

約数和(自身を含む): 2360956416

約数和(自身を除く): 1470899776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 127, 160, 176, 181, 220, 242, 254, 320, 352, 362, 440, 484, 508, 605, 635, 704, 724, 880, 905, 968, 1016, 1210, 1270, 1397, 1448, 1760, 1810, 1936, 1991, 2032, 2420, 2540, 2794, 2896, 3520, 3620, 3872, 3982, 4064, 4840, 5080, 5588, 5792, 6985, 7240, 7744, 7964, 8128, 9680, 9955, 10160, 11176, 11584, 13970, 14480, 15367, 15928, 19360, 19910, 20320, 21901, 22352, 22987, 27940, 28960, 30734, 31856, 38720, 39820, 40640, 43802, 44704, 45974, 55880, 57920, 61468, 63712, 76835, 79640, 87604, 89408, 91948, 109505, 111760, 114935, 122936, 127424, 153670, 159280, 175208, 183896, 219010, 223520, 229870, 245872, 252857, 307340, 318560, 350416, 367792, 438020, 447040, 459740, 491744, 505714, 614680, 637120, 700832, 735584, 876040, 919480, 983488, 1011428, 1229360, 1264285, 1401664, 1471168, 1752080, 1838960, 2022856, 2458720, 2528570, 2781427, 3504160, 3677920, 4045712, 4917440, 5057140, 5562854, 7008320, 7355840, 8091424, 10114280, 11125708, 13907135, 16182848, 20228560, 22251416, 27814270, 40457120, 44502832, 55628540, 80914240, 89005664, 111257080, 178011328, 222514160, 445028320, 890056640]

約数ペア:

[(1, 890056640), (2, 445028320), (4, 222514160), (5, 178011328), (8, 111257080), (10, 89005664), (11, 80914240), (16, 55628540), (20, 44502832), (22, 40457120), (32, 27814270), (40, 22251416), (44, 20228560), (55, 16182848), (64, 13907135), (80, 11125708), (88, 10114280), (110, 8091424), (121, 7355840), (127, 7008320), (160, 5562854), (176, 5057140), (181, 4917440), (220, 4045712), (242, 3677920), (254, 3504160), (320, 2781427), (352, 2528570), (362, 2458720), (440, 2022856), (484, 1838960), (508, 1752080), (605, 1471168), (635, 1401664), (704, 1264285), (724, 1229360), (880, 1011428), (905, 983488), (968, 919480), (1016, 876040), (1210, 735584), (1270, 700832), (1397, 637120), (1448, 614680), (1760, 505714), (1810, 491744), (1936, 459740), (1991, 447040), (2032, 438020), (2420, 367792), (2540, 350416), (2794, 318560), (2896, 307340), (3520, 252857), (3620, 245872), (3872, 229870), (3982, 223520), (4064, 219010), (4840, 183896), (5080, 175208), (5588, 159280), (5792, 153670), (6985, 127424), (7240, 122936), (7744, 114935), (7964, 111760), (8128, 109505), (9680, 91948), (9955, 89408), (10160, 87604), (11176, 79640), (11584, 76835), (13970, 63712), (14480, 61468), (15367, 57920), (15928, 55880), (19360, 45974), (19910, 44704), (20320, 43802), (21901, 40640), (22352, 39820), (22987, 38720), (27940, 31856), (28960, 30734)]