257470164

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:584

約数の個数: 144

約数和(自身を含む): 782745600

約数和(自身を除く): 525275436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 79, 81, 84, 108, 126, 158, 162, 189, 237, 243, 252, 316, 324, 378, 474, 479, 486, 553, 567, 711, 756, 948, 958, 972, 1106, 1134, 1422, 1437, 1659, 1701, 1916, 2133, 2212, 2268, 2844, 2874, 3318, 3353, 3402, 4266, 4311, 4977, 5748, 6399, 6636, 6706, 6804, 8532, 8622, 9954, 10059, 12798, 12933, 13412, 14931, 17244, 19197, 19908, 20118, 25596, 25866, 29862, 30177, 37841, 38394, 38799, 40236, 44793, 51732, 59724, 60354, 75682, 76788, 77598, 89586, 90531, 113523, 116397, 120708, 134379, 151364, 155196, 179172, 181062, 227046, 232794, 264887, 268758, 271593, 340569, 362124, 454092, 465588, 529774, 537516, 543186, 681138, 794661, 814779, 1021707, 1059548, 1086372, 1362276, 1589322, 1629558, 2043414, 2383983, 3065121, 3178644, 3259116, 4086828, 4767966, 6130242, 7151949, 9195363, 9535932, 12260484, 14303898, 18390726, 21455847, 28607796, 36781452, 42911694, 64367541, 85823388, 128735082, 257470164]

約数ペア:

[(1, 257470164), (2, 128735082), (3, 85823388), (4, 64367541), (6, 42911694), (7, 36781452), (9, 28607796), (12, 21455847), (14, 18390726), (18, 14303898), (21, 12260484), (27, 9535932), (28, 9195363), (36, 7151949), (42, 6130242), (54, 4767966), (63, 4086828), (79, 3259116), (81, 3178644), (84, 3065121), (108, 2383983), (126, 2043414), (158, 1629558), (162, 1589322), (189, 1362276), (237, 1086372), (243, 1059548), (252, 1021707), (316, 814779), (324, 794661), (378, 681138), (474, 543186), (479, 537516), (486, 529774), (553, 465588), (567, 454092), (711, 362124), (756, 340569), (948, 271593), (958, 268758), (972, 264887), (1106, 232794), (1134, 227046), (1422, 181062), (1437, 179172), (1659, 155196), (1701, 151364), (1916, 134379), (2133, 120708), (2212, 116397), (2268, 113523), (2844, 90531), (2874, 89586), (3318, 77598), (3353, 76788), (3402, 75682), (4266, 60354), (4311, 59724), (4977, 51732), (5748, 44793), (6399, 40236), (6636, 38799), (6706, 38394), (6804, 37841), (8532, 30177), (8622, 29862), (9954, 25866), (10059, 25596), (12798, 20118), (12933, 19908), (13412, 19197), (14931, 17244)]