215205984

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 240

約数和(自身を含む): 750103200

約数和(自身を除く): 534897216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 63, 72, 81, 84, 87, 96, 108, 112, 116, 126, 144, 162, 168, 174, 189, 203, 216, 224, 232, 252, 261, 288, 324, 336, 348, 378, 406, 409, 432, 464, 504, 522, 567, 609, 648, 672, 696, 756, 783, 812, 818, 864, 928, 1008, 1044, 1134, 1218, 1227, 1296, 1392, 1512, 1566, 1624, 1636, 1827, 2016, 2088, 2268, 2349, 2436, 2454, 2592, 2784, 2863, 3024, 3132, 3248, 3272, 3654, 3681, 4176, 4536, 4698, 4872, 4908, 5481, 5726, 6048, 6264, 6496, 6544, 7308, 7362, 8352, 8589, 9072, 9396, 9744, 9816, 10962, 11043, 11452, 11861, 12528, 13088, 14616, 14724, 16443, 17178, 18144, 18792, 19488, 19632, 21924, 22086, 22904, 23722, 25056, 25767, 29232, 29448, 32886, 33129, 34356, 35583, 37584, 39264, 43848, 44172, 45808, 47444, 51534, 58464, 58896, 65772, 66258, 68712, 71166, 75168, 77301, 83027, 87696, 88344, 91616, 94888, 103068, 106749, 117792, 131544, 132516, 137424, 142332, 154602, 166054, 175392, 176688, 189776, 206136, 213498, 231903, 249081, 263088, 265032, 274848, 284664, 309204, 320247, 332108, 353376, 379552, 412272, 426996, 463806, 498162, 526176, 530064, 569328, 618408, 640494, 664216, 747243, 824544, 853992, 927612, 960741, 996324, 1060128, 1138656, 1236816, 1280988, 1328432, 1494486, 1707984, 1855224, 1921482, 1992648, 2241729, 2473632, 2561976, 2656864, 2988972, 3415968, 3710448, 3842964, 3985296, 4483458, 5123952, 5977944, 6725187, 7420896, 7685928, 7970592, 8966916, 10247904, 11955888, 13450374, 15371856, 17933832, 23911776, 26900748, 30743712, 35867664, 53801496, 71735328, 107602992, 215205984]

約数ペア:

[(1, 215205984), (2, 107602992), (3, 71735328), (4, 53801496), (6, 35867664), (7, 30743712), (8, 26900748), (9, 23911776), (12, 17933832), (14, 15371856), (16, 13450374), (18, 11955888), (21, 10247904), (24, 8966916), (27, 7970592), (28, 7685928), (29, 7420896), (32, 6725187), (36, 5977944), (42, 5123952), (48, 4483458), (54, 3985296), (56, 3842964), (58, 3710448), (63, 3415968), (72, 2988972), (81, 2656864), (84, 2561976), (87, 2473632), (96, 2241729), (108, 1992648), (112, 1921482), (116, 1855224), (126, 1707984), (144, 1494486), (162, 1328432), (168, 1280988), (174, 1236816), (189, 1138656), (203, 1060128), (216, 996324), (224, 960741), (232, 927612), (252, 853992), (261, 824544), (288, 747243), (324, 664216), (336, 640494), (348, 618408), (378, 569328), (406, 530064), (409, 526176), (432, 498162), (464, 463806), (504, 426996), (522, 412272), (567, 379552), (609, 353376), (648, 332108), (672, 320247), (696, 309204), (756, 284664), (783, 274848), (812, 265032), (818, 263088), (864, 249081), (928, 231903), (1008, 213498), (1044, 206136), (1134, 189776), (1218, 176688), (1227, 175392), (1296, 166054), (1392, 154602), (1512, 142332), (1566, 137424), (1624, 132516), (1636, 131544), (1827, 117792), (2016, 106749), (2088, 103068), (2268, 94888), (2349, 91616), (2436, 88344), (2454, 87696), (2592, 83027), (2784, 77301), (2863, 75168), (3024, 71166), (3132, 68712), (3248, 66258), (3272, 65772), (3654, 58896), (3681, 58464), (4176, 51534), (4536, 47444), (4698, 45808), (4872, 44172), (4908, 43848), (5481, 39264), (5726, 37584), (6048, 35583), (6264, 34356), (6496, 33129), (6544, 32886), (7308, 29448), (7362, 29232), (8352, 25767), (8589, 25056), (9072, 23722), (9396, 22904), (9744, 22086), (9816, 21924), (10962, 19632), (11043, 19488), (11452, 18792), (11861, 18144), (12528, 17178), (13088, 16443), (14616, 14724)]