19687680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1709}}^1$

素因数の和:1736

約数の個数: 108

約数和(自身を含む): 68157180

約数和(自身を除く): 48469500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1709, 1920, 2304, 2880, 3418, 3840, 5127, 5760, 6836, 8545, 10254, 11520, 13672, 15381, 17090, 20508, 25635, 27344, 30762, 34180, 41016, 51270, 54688, 61524, 68360, 76905, 82032, 102540, 109376, 123048, 136720, 153810, 164064, 205080, 218752, 246096, 273440, 307620, 328128, 410160, 437504, 492192, 546880, 615240, 656256, 820320, 984384, 1093760, 1230480, 1312512, 1640640, 1968768, 2187520, 2460960, 3281280, 3937536, 4921920, 6562560, 9843840, 19687680]

約数ペア:

[(1, 19687680), (2, 9843840), (3, 6562560), (4, 4921920), (5, 3937536), (6, 3281280), (8, 2460960), (9, 2187520), (10, 1968768), (12, 1640640), (15, 1312512), (16, 1230480), (18, 1093760), (20, 984384), (24, 820320), (30, 656256), (32, 615240), (36, 546880), (40, 492192), (45, 437504), (48, 410160), (60, 328128), (64, 307620), (72, 273440), (80, 246096), (90, 218752), (96, 205080), (120, 164064), (128, 153810), (144, 136720), (160, 123048), (180, 109376), (192, 102540), (240, 82032), (256, 76905), (288, 68360), (320, 61524), (360, 54688), (384, 51270), (480, 41016), (576, 34180), (640, 30762), (720, 27344), (768, 25635), (960, 20508), (1152, 17090), (1280, 15381), (1440, 13672), (1709, 11520), (1920, 10254), (2304, 8545), (2880, 6836), (3418, 5760), (3840, 5127)]