256436712

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5524

約数の個数: 128

約数和(自身を含む): 840499200

約数和(自身を除く): 584062488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 84, 93, 108, 124, 126, 168, 186, 189, 216, 217, 248, 252, 279, 372, 378, 434, 504, 558, 651, 744, 756, 837, 868, 1116, 1302, 1512, 1674, 1736, 1953, 2232, 2604, 3348, 3906, 5208, 5471, 5859, 6696, 7812, 10942, 11718, 15624, 16413, 21884, 23436, 32826, 38297, 43768, 46872, 49239, 65652, 76594, 98478, 114891, 131304, 147717, 153188, 169601, 196956, 229782, 295434, 306376, 339202, 344673, 393912, 459564, 508803, 590868, 678404, 689346, 919128, 1017606, 1034019, 1181736, 1187207, 1356808, 1378692, 1526409, 2035212, 2068038, 2374414, 2757384, 3052818, 3561621, 4070424, 4136076, 4579227, 4748828, 6105636, 7123242, 8272152, 9158454, 9497656, 10684863, 12211272, 14246484, 18316908, 21369726, 28492968, 32054589, 36633816, 42739452, 64109178, 85478904, 128218356, 256436712]

約数ペア:

[(1, 256436712), (2, 128218356), (3, 85478904), (4, 64109178), (6, 42739452), (7, 36633816), (8, 32054589), (9, 28492968), (12, 21369726), (14, 18316908), (18, 14246484), (21, 12211272), (24, 10684863), (27, 9497656), (28, 9158454), (31, 8272152), (36, 7123242), (42, 6105636), (54, 4748828), (56, 4579227), (62, 4136076), (63, 4070424), (72, 3561621), (84, 3052818), (93, 2757384), (108, 2374414), (124, 2068038), (126, 2035212), (168, 1526409), (186, 1378692), (189, 1356808), (216, 1187207), (217, 1181736), (248, 1034019), (252, 1017606), (279, 919128), (372, 689346), (378, 678404), (434, 590868), (504, 508803), (558, 459564), (651, 393912), (744, 344673), (756, 339202), (837, 306376), (868, 295434), (1116, 229782), (1302, 196956), (1512, 169601), (1674, 153188), (1736, 147717), (1953, 131304), (2232, 114891), (2604, 98478), (3348, 76594), (3906, 65652), (5208, 49239), (5471, 46872), (5859, 43768), (6696, 38297), (7812, 32826), (10942, 23436), (11718, 21884), (15624, 16413)]