81856008

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 256838400

約数和(自身を除く): 174982392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 41, 52, 54, 72, 78, 79, 81, 82, 104, 108, 117, 123, 156, 158, 162, 164, 216, 234, 237, 243, 246, 312, 316, 324, 328, 351, 369, 468, 474, 486, 492, 533, 632, 648, 702, 711, 738, 936, 948, 972, 984, 1027, 1053, 1066, 1107, 1404, 1422, 1476, 1599, 1896, 1944, 2054, 2106, 2132, 2133, 2214, 2808, 2844, 2952, 3081, 3159, 3198, 3239, 3321, 4108, 4212, 4264, 4266, 4428, 4797, 5688, 6162, 6318, 6396, 6399, 6478, 6642, 8216, 8424, 8532, 8856, 9243, 9594, 9717, 9963, 12324, 12636, 12792, 12798, 12956, 13284, 14391, 17064, 18486, 19188, 19197, 19434, 19926, 24648, 25272, 25596, 25912, 26568, 27729, 28782, 29151, 36972, 38376, 38394, 38868, 39852, 42107, 43173, 51192, 55458, 57564, 58302, 73944, 76788, 77736, 79704, 83187, 84214, 86346, 87453, 110916, 115128, 116604, 126321, 129519, 153576, 166374, 168428, 172692, 174906, 221832, 233208, 249561, 252642, 259038, 262359, 332748, 336856, 345384, 349812, 378963, 499122, 505284, 518076, 524718, 665496, 699624, 757926, 787077, 998244, 1010568, 1036152, 1049436, 1136889, 1515852, 1574154, 1996488, 2098872, 2273778, 3031704, 3148308, 3410667, 4547556, 6296616, 6821334, 9095112, 10232001, 13642668, 20464002, 27285336, 40928004, 81856008]

約数ペア:

[(1, 81856008), (2, 40928004), (3, 27285336), (4, 20464002), (6, 13642668), (8, 10232001), (9, 9095112), (12, 6821334), (13, 6296616), (18, 4547556), (24, 3410667), (26, 3148308), (27, 3031704), (36, 2273778), (39, 2098872), (41, 1996488), (52, 1574154), (54, 1515852), (72, 1136889), (78, 1049436), (79, 1036152), (81, 1010568), (82, 998244), (104, 787077), (108, 757926), (117, 699624), (123, 665496), (156, 524718), (158, 518076), (162, 505284), (164, 499122), (216, 378963), (234, 349812), (237, 345384), (243, 336856), (246, 332748), (312, 262359), (316, 259038), (324, 252642), (328, 249561), (351, 233208), (369, 221832), (468, 174906), (474, 172692), (486, 168428), (492, 166374), (533, 153576), (632, 129519), (648, 126321), (702, 116604), (711, 115128), (738, 110916), (936, 87453), (948, 86346), (972, 84214), (984, 83187), (1027, 79704), (1053, 77736), (1066, 76788), (1107, 73944), (1404, 58302), (1422, 57564), (1476, 55458), (1599, 51192), (1896, 43173), (1944, 42107), (2054, 39852), (2106, 38868), (2132, 38394), (2133, 38376), (2214, 36972), (2808, 29151), (2844, 28782), (2952, 27729), (3081, 26568), (3159, 25912), (3198, 25596), (3239, 25272), (3321, 24648), (4108, 19926), (4212, 19434), (4264, 19197), (4266, 19188), (4428, 18486), (4797, 17064), (5688, 14391), (6162, 13284), (6318, 12956), (6396, 12798), (6399, 12792), (6478, 12636), (6642, 12324), (8216, 9963), (8424, 9717), (8532, 9594), (8856, 9243)]