256437216

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1125

約数の個数: 144

約数和(自身を含む): 840647808

約数和(自身を除く): 584210592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 131, 144, 168, 224, 252, 262, 288, 336, 393, 504, 524, 672, 786, 917, 971, 1008, 1048, 1179, 1572, 1834, 1942, 2016, 2096, 2358, 2751, 2913, 3144, 3668, 3884, 4192, 4716, 5502, 5826, 6288, 6797, 7336, 7768, 8253, 8739, 9432, 11004, 11652, 12576, 13594, 14672, 15536, 16506, 17478, 18864, 20391, 22008, 23304, 27188, 29344, 31072, 33012, 34956, 37728, 40782, 44016, 46608, 54376, 61173, 66024, 69912, 81564, 88032, 93216, 108752, 122346, 127201, 132048, 139824, 163128, 217504, 244692, 254402, 264096, 279648, 326256, 381603, 489384, 508804, 652512, 763206, 890407, 978768, 1017608, 1144809, 1526412, 1780814, 1957536, 2035216, 2289618, 2671221, 3052824, 3561628, 4070432, 4579236, 5342442, 6105648, 7123256, 8013663, 9158472, 10684884, 12211296, 14246512, 16027326, 18316944, 21369768, 28493024, 32054652, 36633888, 42739536, 64109304, 85479072, 128218608, 256437216]

約数ペア:

[(1, 256437216), (2, 128218608), (3, 85479072), (4, 64109304), (6, 42739536), (7, 36633888), (8, 32054652), (9, 28493024), (12, 21369768), (14, 18316944), (16, 16027326), (18, 14246512), (21, 12211296), (24, 10684884), (28, 9158472), (32, 8013663), (36, 7123256), (42, 6105648), (48, 5342442), (56, 4579236), (63, 4070432), (72, 3561628), (84, 3052824), (96, 2671221), (112, 2289618), (126, 2035216), (131, 1957536), (144, 1780814), (168, 1526412), (224, 1144809), (252, 1017608), (262, 978768), (288, 890407), (336, 763206), (393, 652512), (504, 508804), (524, 489384), (672, 381603), (786, 326256), (917, 279648), (971, 264096), (1008, 254402), (1048, 244692), (1179, 217504), (1572, 163128), (1834, 139824), (1942, 132048), (2016, 127201), (2096, 122346), (2358, 108752), (2751, 93216), (2913, 88032), (3144, 81564), (3668, 69912), (3884, 66024), (4192, 61173), (4716, 54376), (5502, 46608), (5826, 44016), (6288, 40782), (6797, 37728), (7336, 34956), (7768, 33012), (8253, 31072), (8739, 29344), (9432, 27188), (11004, 23304), (11652, 22008), (12576, 20391), (13594, 18864), (14672, 17478), (15536, 16506)]