661349880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:283

約数の個数: 256

約数和(自身を含む): 2286144000

約数和(自身を除く): 1624794120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 97, 107, 108, 118, 120, 135, 177, 180, 194, 214, 216, 236, 270, 291, 295, 321, 354, 360, 388, 428, 472, 485, 531, 535, 540, 582, 590, 642, 708, 776, 856, 873, 885, 963, 970, 1062, 1070, 1080, 1164, 1180, 1284, 1416, 1455, 1593, 1605, 1746, 1770, 1926, 1940, 2124, 2140, 2328, 2360, 2568, 2619, 2655, 2889, 2910, 3186, 3210, 3492, 3540, 3852, 3880, 4248, 4280, 4365, 4815, 5238, 5310, 5723, 5778, 5820, 6313, 6372, 6420, 6984, 7080, 7704, 7965, 8730, 9630, 10379, 10476, 10620, 11446, 11556, 11640, 12626, 12744, 12840, 13095, 14445, 15930, 17169, 17460, 18939, 19260, 20758, 20952, 21240, 22892, 23112, 25252, 26190, 28615, 28890, 31137, 31565, 31860, 34338, 34920, 37878, 38520, 41516, 45784, 50504, 51507, 51895, 52380, 56817, 57230, 57780, 62274, 63130, 63720, 68676, 75756, 83032, 85845, 93411, 94695, 103014, 103790, 104760, 113634, 114460, 115560, 124548, 126260, 137352, 151512, 154521, 155685, 170451, 171690, 186822, 189390, 206028, 207580, 227268, 228920, 249096, 252520, 257535, 280233, 284085, 309042, 311370, 340902, 343380, 373644, 378780, 412056, 415160, 454536, 467055, 515070, 560466, 568170, 612361, 618084, 622740, 681804, 686760, 747288, 757560, 772605, 852255, 934110, 1030140, 1120932, 1136340, 1224722, 1236168, 1245480, 1363608, 1401165, 1545210, 1704510, 1837083, 1868220, 2060280, 2241864, 2272680, 2449444, 2802330, 3061805, 3090420, 3409020, 3674166, 3736440, 4898888, 5511249, 5604660, 6123610, 6180840, 6818040, 7348332, 9185415, 11022498, 11209320, 12247220, 14696664, 16533747, 18370830, 22044996, 24494440, 27556245, 33067494, 36741660, 44089992, 55112490, 66134988, 73483320, 82668735, 110224980, 132269976, 165337470, 220449960, 330674940, 661349880]

約数ペア:

[(1, 661349880), (2, 330674940), (3, 220449960), (4, 165337470), (5, 132269976), (6, 110224980), (8, 82668735), (9, 73483320), (10, 66134988), (12, 55112490), (15, 44089992), (18, 36741660), (20, 33067494), (24, 27556245), (27, 24494440), (30, 22044996), (36, 18370830), (40, 16533747), (45, 14696664), (54, 12247220), (59, 11209320), (60, 11022498), (72, 9185415), (90, 7348332), (97, 6818040), (107, 6180840), (108, 6123610), (118, 5604660), (120, 5511249), (135, 4898888), (177, 3736440), (180, 3674166), (194, 3409020), (214, 3090420), (216, 3061805), (236, 2802330), (270, 2449444), (291, 2272680), (295, 2241864), (321, 2060280), (354, 1868220), (360, 1837083), (388, 1704510), (428, 1545210), (472, 1401165), (485, 1363608), (531, 1245480), (535, 1236168), (540, 1224722), (582, 1136340), (590, 1120932), (642, 1030140), (708, 934110), (776, 852255), (856, 772605), (873, 757560), (885, 747288), (963, 686760), (970, 681804), (1062, 622740), (1070, 618084), (1080, 612361), (1164, 568170), (1180, 560466), (1284, 515070), (1416, 467055), (1455, 454536), (1593, 415160), (1605, 412056), (1746, 378780), (1770, 373644), (1926, 343380), (1940, 340902), (2124, 311370), (2140, 309042), (2328, 284085), (2360, 280233), (2568, 257535), (2619, 252520), (2655, 249096), (2889, 228920), (2910, 227268), (3186, 207580), (3210, 206028), (3492, 189390), (3540, 186822), (3852, 171690), (3880, 170451), (4248, 155685), (4280, 154521), (4365, 151512), (4815, 137352), (5238, 126260), (5310, 124548), (5723, 115560), (5778, 114460), (5820, 113634), (6313, 104760), (6372, 103790), (6420, 103014), (6984, 94695), (7080, 93411), (7704, 85845), (7965, 83032), (8730, 75756), (9630, 68676), (10379, 63720), (10476, 63130), (10620, 62274), (11446, 57780), (11556, 57230), (11640, 56817), (12626, 52380), (12744, 51895), (12840, 51507), (13095, 50504), (14445, 45784), (15930, 41516), (17169, 38520), (17460, 37878), (18939, 34920), (19260, 34338), (20758, 31860), (20952, 31565), (21240, 31137), (22892, 28890), (23112, 28615), (25252, 26190)]