256545216

素因数分解:

$2^6\times 3^2\times {\mathrm{59}}^1\times {\mathrm{7549}}^1$

素因数の和:7626

約数の個数: 84

約数和(自身を含む): 747903000

約数和(自身を除く): 491357784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 96, 118, 144, 177, 192, 236, 288, 354, 472, 531, 576, 708, 944, 1062, 1416, 1888, 2124, 2832, 3776, 4248, 5664, 7549, 8496, 11328, 15098, 16992, 22647, 30196, 33984, 45294, 60392, 67941, 90588, 120784, 135882, 181176, 241568, 271764, 362352, 445391, 483136, 543528, 724704, 890782, 1087056, 1336173, 1449408, 1781564, 2174112, 2672346, 3563128, 4008519, 4348224, 5344692, 7126256, 8017038, 10689384, 14252512, 16034076, 21378768, 28505024, 32068152, 42757536, 64136304, 85515072, 128272608, 256545216]

約数ペア:

[(1, 256545216), (2, 128272608), (3, 85515072), (4, 64136304), (6, 42757536), (8, 32068152), (9, 28505024), (12, 21378768), (16, 16034076), (18, 14252512), (24, 10689384), (32, 8017038), (36, 7126256), (48, 5344692), (59, 4348224), (64, 4008519), (72, 3563128), (96, 2672346), (118, 2174112), (144, 1781564), (177, 1449408), (192, 1336173), (236, 1087056), (288, 890782), (354, 724704), (472, 543528), (531, 483136), (576, 445391), (708, 362352), (944, 271764), (1062, 241568), (1416, 181176), (1888, 135882), (2124, 120784), (2832, 90588), (3776, 67941), (4248, 60392), (5664, 45294), (7549, 33984), (8496, 30196), (11328, 22647), (15098, 16992)]