81378048

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 240178176

約数和(自身を除く): 158800128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 32, 34, 46, 48, 51, 64, 68, 69, 92, 96, 102, 128, 136, 138, 184, 192, 204, 256, 271, 272, 276, 368, 384, 391, 408, 542, 544, 552, 736, 768, 782, 813, 816, 1084, 1088, 1104, 1173, 1472, 1564, 1626, 1632, 2168, 2176, 2208, 2346, 2944, 3128, 3252, 3264, 4336, 4352, 4416, 4607, 4692, 5888, 6233, 6256, 6504, 6528, 8672, 8832, 9214, 9384, 12466, 12512, 13008, 13056, 13821, 17344, 17664, 18428, 18699, 18768, 24932, 25024, 26016, 27642, 34688, 36856, 37398, 37536, 49864, 50048, 52032, 55284, 69376, 73712, 74796, 75072, 99728, 100096, 104064, 105961, 110568, 147424, 149592, 150144, 199456, 208128, 211922, 221136, 294848, 299184, 300288, 317883, 398912, 423844, 442272, 589696, 598368, 635766, 797824, 847688, 884544, 1179392, 1196736, 1271532, 1595648, 1695376, 1769088, 2393472, 2543064, 3390752, 3538176, 4786944, 5086128, 6781504, 10172256, 13563008, 20344512, 27126016, 40689024, 81378048]

約数ペア:

[(1, 81378048), (2, 40689024), (3, 27126016), (4, 20344512), (6, 13563008), (8, 10172256), (12, 6781504), (16, 5086128), (17, 4786944), (23, 3538176), (24, 3390752), (32, 2543064), (34, 2393472), (46, 1769088), (48, 1695376), (51, 1595648), (64, 1271532), (68, 1196736), (69, 1179392), (92, 884544), (96, 847688), (102, 797824), (128, 635766), (136, 598368), (138, 589696), (184, 442272), (192, 423844), (204, 398912), (256, 317883), (271, 300288), (272, 299184), (276, 294848), (368, 221136), (384, 211922), (391, 208128), (408, 199456), (542, 150144), (544, 149592), (552, 147424), (736, 110568), (768, 105961), (782, 104064), (813, 100096), (816, 99728), (1084, 75072), (1088, 74796), (1104, 73712), (1173, 69376), (1472, 55284), (1564, 52032), (1626, 50048), (1632, 49864), (2168, 37536), (2176, 37398), (2208, 36856), (2346, 34688), (2944, 27642), (3128, 26016), (3252, 25024), (3264, 24932), (4336, 18768), (4352, 18699), (4416, 18428), (4607, 17664), (4692, 17344), (5888, 13821), (6233, 13056), (6256, 13008), (6504, 12512), (6528, 12466), (8672, 9384), (8832, 9214)]