120640128

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1274

約数の個数: 128

約数和(自身を含む): 376437120

約数和(自身を除く): 255796992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 74, 84, 96, 111, 112, 128, 148, 168, 192, 222, 224, 259, 296, 336, 384, 444, 448, 518, 592, 672, 777, 888, 896, 1036, 1184, 1213, 1344, 1554, 1776, 2072, 2368, 2426, 2688, 3108, 3552, 3639, 4144, 4736, 4852, 6216, 7104, 7278, 8288, 8491, 9704, 12432, 14208, 14556, 16576, 16982, 19408, 24864, 25473, 29112, 33152, 33964, 38816, 44881, 49728, 50946, 58224, 67928, 77632, 89762, 99456, 101892, 116448, 134643, 135856, 155264, 179524, 203784, 232896, 269286, 271712, 314167, 359048, 407568, 465792, 538572, 543424, 628334, 718096, 815136, 942501, 1077144, 1086848, 1256668, 1436192, 1630272, 1885002, 2154288, 2513336, 2872384, 3260544, 3770004, 4308576, 5026672, 5744768, 7540008, 8617152, 10053344, 15080016, 17234304, 20106688, 30160032, 40213376, 60320064, 120640128]

約数ペア:

[(1, 120640128), (2, 60320064), (3, 40213376), (4, 30160032), (6, 20106688), (7, 17234304), (8, 15080016), (12, 10053344), (14, 8617152), (16, 7540008), (21, 5744768), (24, 5026672), (28, 4308576), (32, 3770004), (37, 3260544), (42, 2872384), (48, 2513336), (56, 2154288), (64, 1885002), (74, 1630272), (84, 1436192), (96, 1256668), (111, 1086848), (112, 1077144), (128, 942501), (148, 815136), (168, 718096), (192, 628334), (222, 543424), (224, 538572), (259, 465792), (296, 407568), (336, 359048), (384, 314167), (444, 271712), (448, 269286), (518, 232896), (592, 203784), (672, 179524), (777, 155264), (888, 135856), (896, 134643), (1036, 116448), (1184, 101892), (1213, 99456), (1344, 89762), (1554, 77632), (1776, 67928), (2072, 58224), (2368, 50946), (2426, 49728), (2688, 44881), (3108, 38816), (3552, 33964), (3639, 33152), (4144, 29112), (4736, 25473), (4852, 24864), (6216, 19408), (7104, 16982), (7278, 16576), (8288, 14556), (8491, 14208), (9704, 12432)]