90016920

素因数分解:

$2^3\times 3^8\times 5^1\times 7^3$

素因数の和:56

約数の個数: 288

約数和(自身を含む): 354276000

約数和(自身を除く): 264259080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 243, 245, 252, 270, 280, 294, 315, 324, 343, 360, 378, 392, 405, 420, 441, 486, 490, 504, 540, 567, 588, 630, 648, 686, 729, 735, 756, 810, 840, 882, 945, 972, 980, 1029, 1080, 1134, 1176, 1215, 1260, 1323, 1372, 1458, 1470, 1512, 1620, 1701, 1715, 1764, 1890, 1944, 1960, 2058, 2187, 2205, 2268, 2430, 2520, 2646, 2744, 2835, 2916, 2940, 3087, 3240, 3402, 3430, 3528, 3645, 3780, 3969, 4116, 4374, 4410, 4536, 4860, 5103, 5145, 5292, 5670, 5832, 5880, 6174, 6561, 6615, 6804, 6860, 7290, 7560, 7938, 8232, 8505, 8748, 8820, 9261, 9720, 10206, 10290, 10584, 10935, 11340, 11907, 12348, 13122, 13230, 13608, 13720, 14580, 15309, 15435, 15876, 17010, 17496, 17640, 18522, 19845, 20412, 20580, 21870, 22680, 23814, 24696, 25515, 26244, 26460, 27783, 29160, 30618, 30870, 31752, 32805, 34020, 35721, 37044, 39690, 40824, 41160, 43740, 45927, 46305, 47628, 51030, 52488, 52920, 55566, 59535, 61236, 61740, 65610, 68040, 71442, 74088, 76545, 79380, 83349, 87480, 91854, 92610, 95256, 102060, 107163, 111132, 119070, 122472, 123480, 131220, 138915, 142884, 153090, 158760, 166698, 178605, 183708, 185220, 204120, 214326, 222264, 229635, 238140, 250047, 262440, 277830, 285768, 306180, 321489, 333396, 357210, 367416, 370440, 416745, 428652, 459270, 476280, 500094, 535815, 555660, 612360, 642978, 666792, 714420, 750141, 833490, 857304, 918540, 1000188, 1071630, 1111320, 1250235, 1285956, 1428840, 1500282, 1607445, 1666980, 1837080, 2000376, 2143260, 2250423, 2500470, 2571912, 3000564, 3214890, 3333960, 3750705, 4286520, 4500846, 5000940, 6001128, 6429780, 7501410, 9001692, 10001880, 11252115, 12859560, 15002820, 18003384, 22504230, 30005640, 45008460, 90016920]

約数ペア:

[(1, 90016920), (2, 45008460), (3, 30005640), (4, 22504230), (5, 18003384), (6, 15002820), (7, 12859560), (8, 11252115), (9, 10001880), (10, 9001692), (12, 7501410), (14, 6429780), (15, 6001128), (18, 5000940), (20, 4500846), (21, 4286520), (24, 3750705), (27, 3333960), (28, 3214890), (30, 3000564), (35, 2571912), (36, 2500470), (40, 2250423), (42, 2143260), (45, 2000376), (49, 1837080), (54, 1666980), (56, 1607445), (60, 1500282), (63, 1428840), (70, 1285956), (72, 1250235), (81, 1111320), (84, 1071630), (90, 1000188), (98, 918540), (105, 857304), (108, 833490), (120, 750141), (126, 714420), (135, 666792), (140, 642978), (147, 612360), (162, 555660), (168, 535815), (180, 500094), (189, 476280), (196, 459270), (210, 428652), (216, 416745), (243, 370440), (245, 367416), (252, 357210), (270, 333396), (280, 321489), (294, 306180), (315, 285768), (324, 277830), (343, 262440), (360, 250047), (378, 238140), (392, 229635), (405, 222264), (420, 214326), (441, 204120), (486, 185220), (490, 183708), (504, 178605), (540, 166698), (567, 158760), (588, 153090), (630, 142884), (648, 138915), (686, 131220), (729, 123480), (735, 122472), (756, 119070), (810, 111132), (840, 107163), (882, 102060), (945, 95256), (972, 92610), (980, 91854), (1029, 87480), (1080, 83349), (1134, 79380), (1176, 76545), (1215, 74088), (1260, 71442), (1323, 68040), (1372, 65610), (1458, 61740), (1470, 61236), (1512, 59535), (1620, 55566), (1701, 52920), (1715, 52488), (1764, 51030), (1890, 47628), (1944, 46305), (1960, 45927), (2058, 43740), (2187, 41160), (2205, 40824), (2268, 39690), (2430, 37044), (2520, 35721), (2646, 34020), (2744, 32805), (2835, 31752), (2916, 30870), (2940, 30618), (3087, 29160), (3240, 27783), (3402, 26460), (3430, 26244), (3528, 25515), (3645, 24696), (3780, 23814), (3969, 22680), (4116, 21870), (4374, 20580), (4410, 20412), (4536, 19845), (4860, 18522), (5103, 17640), (5145, 17496), (5292, 17010), (5670, 15876), (5832, 15435), (5880, 15309), (6174, 14580), (6561, 13720), (6615, 13608), (6804, 13230), (6860, 13122), (7290, 12348), (7560, 11907), (7938, 11340), (8232, 10935), (8505, 10584), (8748, 10290), (8820, 10206), (9261, 9720)]