81523908

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 180

約数和(自身を含む): 243966492

約数和(自身を除く): 162442584

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 41, 51, 54, 57, 68, 76, 81, 82, 102, 108, 114, 123, 153, 162, 164, 171, 204, 228, 246, 306, 323, 324, 342, 361, 369, 459, 492, 513, 612, 646, 684, 697, 722, 738, 779, 918, 969, 1026, 1083, 1107, 1292, 1377, 1394, 1444, 1476, 1539, 1558, 1836, 1938, 2052, 2091, 2166, 2214, 2337, 2754, 2788, 2907, 3078, 3116, 3249, 3321, 3876, 4182, 4332, 4428, 4674, 5508, 5814, 6137, 6156, 6273, 6498, 6642, 7011, 8364, 8721, 9348, 9747, 11628, 12274, 12546, 12996, 13243, 13284, 14022, 14801, 17442, 18411, 18819, 19494, 21033, 24548, 25092, 26163, 26486, 28044, 29241, 29602, 34884, 36822, 37638, 38988, 39729, 42066, 44403, 52326, 52972, 55233, 56457, 58482, 59204, 63099, 73644, 75276, 79458, 84132, 88806, 104652, 110466, 112914, 116964, 119187, 126198, 133209, 158916, 165699, 177612, 220932, 225828, 238374, 251617, 252396, 266418, 331398, 357561, 399627, 476748, 497097, 503234, 532836, 662796, 715122, 754851, 799254, 994194, 1006468, 1072683, 1198881, 1430244, 1509702, 1598508, 1988388, 2145366, 2264553, 2397762, 3019404, 4290732, 4529106, 4795524, 6793659, 9058212, 13587318, 20380977, 27174636, 40761954, 81523908]

約数ペア:

[(1, 81523908), (2, 40761954), (3, 27174636), (4, 20380977), (6, 13587318), (9, 9058212), (12, 6793659), (17, 4795524), (18, 4529106), (19, 4290732), (27, 3019404), (34, 2397762), (36, 2264553), (38, 2145366), (41, 1988388), (51, 1598508), (54, 1509702), (57, 1430244), (68, 1198881), (76, 1072683), (81, 1006468), (82, 994194), (102, 799254), (108, 754851), (114, 715122), (123, 662796), (153, 532836), (162, 503234), (164, 497097), (171, 476748), (204, 399627), (228, 357561), (246, 331398), (306, 266418), (323, 252396), (324, 251617), (342, 238374), (361, 225828), (369, 220932), (459, 177612), (492, 165699), (513, 158916), (612, 133209), (646, 126198), (684, 119187), (697, 116964), (722, 112914), (738, 110466), (779, 104652), (918, 88806), (969, 84132), (1026, 79458), (1083, 75276), (1107, 73644), (1292, 63099), (1377, 59204), (1394, 58482), (1444, 56457), (1476, 55233), (1539, 52972), (1558, 52326), (1836, 44403), (1938, 42066), (2052, 39729), (2091, 38988), (2166, 37638), (2214, 36822), (2337, 34884), (2754, 29602), (2788, 29241), (2907, 28044), (3078, 26486), (3116, 26163), (3249, 25092), (3321, 24548), (3876, 21033), (4182, 19494), (4332, 18819), (4428, 18411), (4674, 17442), (5508, 14801), (5814, 14022), (6137, 13284), (6156, 13243), (6273, 12996), (6498, 12546), (6642, 12274), (7011, 11628), (8364, 9747), (8721, 9348)]