72991968

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 227525760

約数和(自身を除く): 154533792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 59, 84, 96, 98, 112, 118, 147, 168, 177, 196, 224, 236, 263, 294, 336, 354, 392, 413, 472, 526, 588, 672, 708, 784, 789, 826, 944, 1052, 1176, 1239, 1416, 1568, 1578, 1652, 1841, 1888, 2104, 2352, 2478, 2832, 2891, 3156, 3304, 3682, 4208, 4704, 4956, 5523, 5664, 5782, 6312, 6608, 7364, 8416, 8673, 9912, 11046, 11564, 12624, 12887, 13216, 14728, 15517, 17346, 19824, 22092, 23128, 25248, 25774, 29456, 31034, 34692, 38661, 39648, 44184, 46256, 46551, 51548, 58912, 62068, 69384, 77322, 88368, 92512, 93102, 103096, 108619, 124136, 138768, 154644, 176736, 186204, 206192, 217238, 248272, 277536, 309288, 325857, 372408, 412384, 434476, 496544, 618576, 651714, 744816, 760333, 868952, 1237152, 1303428, 1489632, 1520666, 1737904, 2280999, 2606856, 3041332, 3475808, 4561998, 5213712, 6082664, 9123996, 10427424, 12165328, 18247992, 24330656, 36495984, 72991968]

約数ペア:

[(1, 72991968), (2, 36495984), (3, 24330656), (4, 18247992), (6, 12165328), (7, 10427424), (8, 9123996), (12, 6082664), (14, 5213712), (16, 4561998), (21, 3475808), (24, 3041332), (28, 2606856), (32, 2280999), (42, 1737904), (48, 1520666), (49, 1489632), (56, 1303428), (59, 1237152), (84, 868952), (96, 760333), (98, 744816), (112, 651714), (118, 618576), (147, 496544), (168, 434476), (177, 412384), (196, 372408), (224, 325857), (236, 309288), (263, 277536), (294, 248272), (336, 217238), (354, 206192), (392, 186204), (413, 176736), (472, 154644), (526, 138768), (588, 124136), (672, 108619), (708, 103096), (784, 93102), (789, 92512), (826, 88368), (944, 77322), (1052, 69384), (1176, 62068), (1239, 58912), (1416, 51548), (1568, 46551), (1578, 46256), (1652, 44184), (1841, 39648), (1888, 38661), (2104, 34692), (2352, 31034), (2478, 29456), (2832, 25774), (2891, 25248), (3156, 23128), (3304, 22092), (3682, 19824), (4208, 17346), (4704, 15517), (4956, 14728), (5523, 13216), (5664, 12887), (5782, 12624), (6312, 11564), (6608, 11046), (7364, 9912), (8416, 8673)]