72251872

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 186157440

約数和(自身を除く): 113905568

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 59, 71, 77, 88, 98, 112, 118, 142, 154, 176, 196, 224, 236, 284, 308, 352, 392, 413, 472, 497, 539, 568, 616, 649, 781, 784, 826, 944, 994, 1078, 1136, 1232, 1298, 1562, 1568, 1652, 1888, 1988, 2156, 2272, 2464, 2596, 2891, 3124, 3304, 3479, 3976, 4189, 4312, 4543, 5192, 5467, 5782, 6248, 6608, 6958, 7952, 8378, 8624, 9086, 10384, 10934, 11564, 12496, 13216, 13916, 15904, 16756, 17248, 18172, 20768, 21868, 23128, 24992, 27832, 29323, 31801, 33512, 36344, 38269, 43736, 46079, 46256, 55664, 58646, 63602, 67024, 72688, 76538, 87472, 92158, 92512, 111328, 117292, 127204, 134048, 145376, 153076, 174944, 184316, 205261, 234584, 254408, 306152, 322553, 368632, 410522, 469168, 508816, 612304, 645106, 737264, 821044, 938336, 1017632, 1224608, 1290212, 1474528, 1642088, 2257871, 2580424, 3284176, 4515742, 5160848, 6568352, 9031484, 10321696, 18062968, 36125936, 72251872]

約数ペア:

[(1, 72251872), (2, 36125936), (4, 18062968), (7, 10321696), (8, 9031484), (11, 6568352), (14, 5160848), (16, 4515742), (22, 3284176), (28, 2580424), (32, 2257871), (44, 1642088), (49, 1474528), (56, 1290212), (59, 1224608), (71, 1017632), (77, 938336), (88, 821044), (98, 737264), (112, 645106), (118, 612304), (142, 508816), (154, 469168), (176, 410522), (196, 368632), (224, 322553), (236, 306152), (284, 254408), (308, 234584), (352, 205261), (392, 184316), (413, 174944), (472, 153076), (497, 145376), (539, 134048), (568, 127204), (616, 117292), (649, 111328), (781, 92512), (784, 92158), (826, 87472), (944, 76538), (994, 72688), (1078, 67024), (1136, 63602), (1232, 58646), (1298, 55664), (1562, 46256), (1568, 46079), (1652, 43736), (1888, 38269), (1988, 36344), (2156, 33512), (2272, 31801), (2464, 29323), (2596, 27832), (2891, 24992), (3124, 23128), (3304, 21868), (3479, 20768), (3976, 18172), (4189, 17248), (4312, 16756), (4543, 15904), (5192, 13916), (5467, 13216), (5782, 12496), (6248, 11564), (6608, 10934), (6958, 10384), (7952, 9086), (8378, 8624)]