721802016

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 240

約数和(自身を含む): 2363251968

約数和(自身を除く): 1641449952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 72, 78, 81, 93, 96, 104, 108, 117, 124, 144, 156, 162, 186, 208, 216, 234, 248, 279, 288, 312, 324, 351, 372, 403, 416, 432, 468, 496, 558, 624, 648, 691, 702, 744, 806, 837, 864, 936, 992, 1053, 1116, 1209, 1248, 1296, 1382, 1404, 1488, 1612, 1674, 1872, 2073, 2106, 2232, 2418, 2511, 2592, 2764, 2808, 2976, 3224, 3348, 3627, 3744, 4146, 4212, 4464, 4836, 5022, 5528, 5616, 6219, 6448, 6696, 7254, 8292, 8424, 8928, 8983, 9672, 10044, 10881, 11056, 11232, 12438, 12896, 13392, 14508, 16584, 16848, 17966, 18657, 19344, 20088, 21421, 21762, 22112, 24876, 26784, 26949, 29016, 32643, 33168, 33696, 35932, 37314, 38688, 40176, 42842, 43524, 49752, 53898, 55971, 58032, 64263, 65286, 66336, 71864, 74628, 80352, 80847, 85684, 87048, 99504, 107796, 111942, 116064, 128526, 130572, 143728, 149256, 161694, 171368, 174096, 192789, 199008, 215592, 223884, 242541, 257052, 261144, 278473, 287456, 298512, 323388, 342736, 348192, 385578, 431184, 447768, 485082, 514104, 522288, 556946, 578367, 597024, 646776, 685472, 727623, 771156, 835419, 862368, 895536, 970164, 1028208, 1044576, 1113892, 1156734, 1293552, 1455246, 1542312, 1670838, 1735101, 1791072, 1940328, 2056416, 2227784, 2313468, 2506257, 2587104, 2910492, 3084624, 3341676, 3470202, 3880656, 4455568, 4626936, 5012514, 5820984, 6169248, 6683352, 6940404, 7518771, 7761312, 8911136, 9253872, 10025028, 11641968, 13366704, 13880808, 15037542, 18507744, 20050056, 22556313, 23283936, 26733408, 27761616, 30075084, 40100112, 45112626, 55523232, 60150168, 80200224, 90225252, 120300336, 180450504, 240600672, 360901008, 721802016]

約数ペア:

[(1, 721802016), (2, 360901008), (3, 240600672), (4, 180450504), (6, 120300336), (8, 90225252), (9, 80200224), (12, 60150168), (13, 55523232), (16, 45112626), (18, 40100112), (24, 30075084), (26, 27761616), (27, 26733408), (31, 23283936), (32, 22556313), (36, 20050056), (39, 18507744), (48, 15037542), (52, 13880808), (54, 13366704), (62, 11641968), (72, 10025028), (78, 9253872), (81, 8911136), (93, 7761312), (96, 7518771), (104, 6940404), (108, 6683352), (117, 6169248), (124, 5820984), (144, 5012514), (156, 4626936), (162, 4455568), (186, 3880656), (208, 3470202), (216, 3341676), (234, 3084624), (248, 2910492), (279, 2587104), (288, 2506257), (312, 2313468), (324, 2227784), (351, 2056416), (372, 1940328), (403, 1791072), (416, 1735101), (432, 1670838), (468, 1542312), (496, 1455246), (558, 1293552), (624, 1156734), (648, 1113892), (691, 1044576), (702, 1028208), (744, 970164), (806, 895536), (837, 862368), (864, 835419), (936, 771156), (992, 727623), (1053, 685472), (1116, 646776), (1209, 597024), (1248, 578367), (1296, 556946), (1382, 522288), (1404, 514104), (1488, 485082), (1612, 447768), (1674, 431184), (1872, 385578), (2073, 348192), (2106, 342736), (2232, 323388), (2418, 298512), (2511, 287456), (2592, 278473), (2764, 261144), (2808, 257052), (2976, 242541), (3224, 223884), (3348, 215592), (3627, 199008), (3744, 192789), (4146, 174096), (4212, 171368), (4464, 161694), (4836, 149256), (5022, 143728), (5528, 130572), (5616, 128526), (6219, 116064), (6448, 111942), (6696, 107796), (7254, 99504), (8292, 87048), (8424, 85684), (8928, 80847), (8983, 80352), (9672, 74628), (10044, 71864), (10881, 66336), (11056, 65286), (11232, 64263), (12438, 58032), (12896, 55971), (13392, 53898), (14508, 49752), (16584, 43524), (16848, 42842), (17966, 40176), (18657, 38688), (19344, 37314), (20088, 35932), (21421, 33696), (21762, 33168), (22112, 32643), (24876, 29016), (26784, 26949)]