2857680

素因数分解:

$2^4\times 3^6\times 5^1\times 7^2$

素因数の和:45

約数の個数: 210

約数和(自身を含む): 11587986

約数和(自身を除く): 8730306

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 243, 245, 252, 270, 280, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 486, 490, 504, 540, 560, 567, 588, 630, 648, 720, 729, 735, 756, 784, 810, 840, 882, 945, 972, 980, 1008, 1080, 1134, 1176, 1215, 1260, 1296, 1323, 1458, 1470, 1512, 1620, 1680, 1701, 1764, 1890, 1944, 1960, 2160, 2205, 2268, 2352, 2430, 2520, 2646, 2835, 2916, 2940, 3024, 3240, 3402, 3528, 3645, 3780, 3888, 3920, 3969, 4410, 4536, 4860, 5040, 5103, 5292, 5670, 5832, 5880, 6480, 6615, 6804, 7056, 7290, 7560, 7938, 8505, 8820, 9072, 9720, 10206, 10584, 11340, 11664, 11760, 11907, 13230, 13608, 14580, 15120, 15876, 17010, 17640, 19440, 19845, 20412, 21168, 22680, 23814, 25515, 26460, 27216, 29160, 31752, 34020, 35280, 35721, 39690, 40824, 45360, 47628, 51030, 52920, 58320, 59535, 63504, 68040, 71442, 79380, 81648, 95256, 102060, 105840, 119070, 136080, 142884, 158760, 178605, 190512, 204120, 238140, 285768, 317520, 357210, 408240, 476280, 571536, 714420, 952560, 1428840, 2857680]

約数ペア:

[(1, 2857680), (2, 1428840), (3, 952560), (4, 714420), (5, 571536), (6, 476280), (7, 408240), (8, 357210), (9, 317520), (10, 285768), (12, 238140), (14, 204120), (15, 190512), (16, 178605), (18, 158760), (20, 142884), (21, 136080), (24, 119070), (27, 105840), (28, 102060), (30, 95256), (35, 81648), (36, 79380), (40, 71442), (42, 68040), (45, 63504), (48, 59535), (49, 58320), (54, 52920), (56, 51030), (60, 47628), (63, 45360), (70, 40824), (72, 39690), (80, 35721), (81, 35280), (84, 34020), (90, 31752), (98, 29160), (105, 27216), (108, 26460), (112, 25515), (120, 23814), (126, 22680), (135, 21168), (140, 20412), (144, 19845), (147, 19440), (162, 17640), (168, 17010), (180, 15876), (189, 15120), (196, 14580), (210, 13608), (216, 13230), (240, 11907), (243, 11760), (245, 11664), (252, 11340), (270, 10584), (280, 10206), (294, 9720), (315, 9072), (324, 8820), (336, 8505), (360, 7938), (378, 7560), (392, 7290), (405, 7056), (420, 6804), (432, 6615), (441, 6480), (486, 5880), (490, 5832), (504, 5670), (540, 5292), (560, 5103), (567, 5040), (588, 4860), (630, 4536), (648, 4410), (720, 3969), (729, 3920), (735, 3888), (756, 3780), (784, 3645), (810, 3528), (840, 3402), (882, 3240), (945, 3024), (972, 2940), (980, 2916), (1008, 2835), (1080, 2646), (1134, 2520), (1176, 2430), (1215, 2352), (1260, 2268), (1296, 2205), (1323, 2160), (1458, 1960), (1470, 1944), (1512, 1890), (1620, 1764), (1680, 1701)]