259687680

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9661}}^1$

素因数の和:9692

約数の個数: 144

約数和(自身を含む): 947958144

約数和(自身を除く): 688270464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 9661, 13440, 19322, 26880, 28983, 38644, 48305, 57966, 67627, 77288, 96610, 115932, 135254, 144915, 154576, 193220, 202881, 231864, 270508, 289830, 309152, 338135, 386440, 405762, 463728, 541016, 579660, 618304, 676270, 772880, 811524, 927456, 1014405, 1082032, 1159320, 1236608, 1352540, 1545760, 1623048, 1854912, 2028810, 2164064, 2318640, 2473216, 2705080, 3091520, 3246096, 3709824, 4057620, 4328128, 4637280, 5410160, 6183040, 6492192, 7419648, 8115240, 8656256, 9274560, 10820320, 12366080, 12984384, 16230480, 17312512, 18549120, 21640640, 25968768, 32460960, 37098240, 43281280, 51937536, 64921920, 86562560, 129843840, 259687680]

約数ペア:

[(1, 259687680), (2, 129843840), (3, 86562560), (4, 64921920), (5, 51937536), (6, 43281280), (7, 37098240), (8, 32460960), (10, 25968768), (12, 21640640), (14, 18549120), (15, 17312512), (16, 16230480), (20, 12984384), (21, 12366080), (24, 10820320), (28, 9274560), (30, 8656256), (32, 8115240), (35, 7419648), (40, 6492192), (42, 6183040), (48, 5410160), (56, 4637280), (60, 4328128), (64, 4057620), (70, 3709824), (80, 3246096), (84, 3091520), (96, 2705080), (105, 2473216), (112, 2318640), (120, 2164064), (128, 2028810), (140, 1854912), (160, 1623048), (168, 1545760), (192, 1352540), (210, 1236608), (224, 1159320), (240, 1082032), (256, 1014405), (280, 927456), (320, 811524), (336, 772880), (384, 676270), (420, 618304), (448, 579660), (480, 541016), (560, 463728), (640, 405762), (672, 386440), (768, 338135), (840, 309152), (896, 289830), (960, 270508), (1120, 231864), (1280, 202881), (1344, 193220), (1680, 154576), (1792, 144915), (1920, 135254), (2240, 115932), (2688, 96610), (3360, 77288), (3840, 67627), (4480, 57966), (5376, 48305), (6720, 38644), (8960, 28983), (9661, 26880), (13440, 19322)]