1215228420

素因数分解:

$2^2\times 3^{11}\times 5^1\times 7^3$

素因数の和:63

約数の個数: 288

約数和(自身を含む): 4464096000

約数和(自身を除く): 3248867580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 343, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 686, 729, 735, 756, 810, 882, 945, 972, 980, 1029, 1134, 1215, 1260, 1323, 1372, 1458, 1470, 1620, 1701, 1715, 1764, 1890, 2058, 2187, 2205, 2268, 2430, 2646, 2835, 2916, 2940, 3087, 3402, 3430, 3645, 3780, 3969, 4116, 4374, 4410, 4860, 5103, 5145, 5292, 5670, 6174, 6561, 6615, 6804, 6860, 7290, 7938, 8505, 8748, 8820, 9261, 10206, 10290, 10935, 11340, 11907, 12348, 13122, 13230, 14580, 15309, 15435, 15876, 17010, 18522, 19683, 19845, 20412, 20580, 21870, 23814, 25515, 26244, 26460, 27783, 30618, 30870, 32805, 34020, 35721, 37044, 39366, 39690, 43740, 45927, 46305, 47628, 51030, 55566, 59049, 59535, 61236, 61740, 65610, 71442, 76545, 78732, 79380, 83349, 91854, 92610, 98415, 102060, 107163, 111132, 118098, 119070, 131220, 137781, 138915, 142884, 153090, 166698, 177147, 178605, 183708, 185220, 196830, 214326, 229635, 236196, 238140, 250047, 275562, 277830, 295245, 306180, 321489, 333396, 354294, 357210, 393660, 413343, 416745, 428652, 459270, 500094, 535815, 551124, 555660, 590490, 642978, 688905, 708588, 714420, 750141, 826686, 833490, 885735, 918540, 964467, 1000188, 1071630, 1180980, 1240029, 1250235, 1285956, 1377810, 1500282, 1607445, 1653372, 1666980, 1771470, 1928934, 2066715, 2143260, 2250423, 2480058, 2500470, 2755620, 2893401, 3000564, 3214890, 3542940, 3750705, 3857868, 4133430, 4500846, 4822335, 4960116, 5000940, 5786802, 6200145, 6429780, 6751269, 7501410, 8266860, 8680203, 9001692, 9644670, 11252115, 11573604, 12400290, 13502538, 14467005, 15002820, 17360406, 19289340, 20253807, 22504230, 24800580, 27005076, 28934010, 33756345, 34720812, 40507614, 43401015, 45008460, 57868020, 60761421, 67512690, 81015228, 86802030, 101269035, 121522842, 135025380, 173604060, 202538070, 243045684, 303807105, 405076140, 607614210, 1215228420]

約数ペア:

[(1, 1215228420), (2, 607614210), (3, 405076140), (4, 303807105), (5, 243045684), (6, 202538070), (7, 173604060), (9, 135025380), (10, 121522842), (12, 101269035), (14, 86802030), (15, 81015228), (18, 67512690), (20, 60761421), (21, 57868020), (27, 45008460), (28, 43401015), (30, 40507614), (35, 34720812), (36, 33756345), (42, 28934010), (45, 27005076), (49, 24800580), (54, 22504230), (60, 20253807), (63, 19289340), (70, 17360406), (81, 15002820), (84, 14467005), (90, 13502538), (98, 12400290), (105, 11573604), (108, 11252115), (126, 9644670), (135, 9001692), (140, 8680203), (147, 8266860), (162, 7501410), (180, 6751269), (189, 6429780), (196, 6200145), (210, 5786802), (243, 5000940), (245, 4960116), (252, 4822335), (270, 4500846), (294, 4133430), (315, 3857868), (324, 3750705), (343, 3542940), (378, 3214890), (405, 3000564), (420, 2893401), (441, 2755620), (486, 2500470), (490, 2480058), (540, 2250423), (567, 2143260), (588, 2066715), (630, 1928934), (686, 1771470), (729, 1666980), (735, 1653372), (756, 1607445), (810, 1500282), (882, 1377810), (945, 1285956), (972, 1250235), (980, 1240029), (1029, 1180980), (1134, 1071630), (1215, 1000188), (1260, 964467), (1323, 918540), (1372, 885735), (1458, 833490), (1470, 826686), (1620, 750141), (1701, 714420), (1715, 708588), (1764, 688905), (1890, 642978), (2058, 590490), (2187, 555660), (2205, 551124), (2268, 535815), (2430, 500094), (2646, 459270), (2835, 428652), (2916, 416745), (2940, 413343), (3087, 393660), (3402, 357210), (3430, 354294), (3645, 333396), (3780, 321489), (3969, 306180), (4116, 295245), (4374, 277830), (4410, 275562), (4860, 250047), (5103, 238140), (5145, 236196), (5292, 229635), (5670, 214326), (6174, 196830), (6561, 185220), (6615, 183708), (6804, 178605), (6860, 177147), (7290, 166698), (7938, 153090), (8505, 142884), (8748, 138915), (8820, 137781), (9261, 131220), (10206, 119070), (10290, 118098), (10935, 111132), (11340, 107163), (11907, 102060), (12348, 98415), (13122, 92610), (13230, 91854), (14580, 83349), (15309, 79380), (15435, 78732), (15876, 76545), (17010, 71442), (18522, 65610), (19683, 61740), (19845, 61236), (20412, 59535), (20580, 59049), (21870, 55566), (23814, 51030), (25515, 47628), (26244, 46305), (26460, 45927), (27783, 43740), (30618, 39690), (30870, 39366), (32805, 37044), (34020, 35721)]