1637648640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{142157}}^1$

素因数の和:142184

約数の個数: 108

約数和(自身を含む): 5666133564

約数和(自身を除く): 4028484924

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, 1920, 2304, 2880, 3840, 5760, 11520, 142157, 284314, 426471, 568628, 710785, 852942, 1137256, 1279413, 1421570, 1705884, 2132355, 2274512, 2558826, 2843140, 3411768, 4264710, 4549024, 5117652, 5686280, 6397065, 6823536, 8529420, 9098048, 10235304, 11372560, 12794130, 13647072, 17058840, 18196096, 20470608, 22745120, 25588260, 27294144, 34117680, 36392192, 40941216, 45490240, 51176520, 54588288, 68235360, 81882432, 90980480, 102353040, 109176576, 136470720, 163764864, 181960960, 204706080, 272941440, 327529728, 409412160, 545882880, 818824320, 1637648640]

約数ペア:

[(1, 1637648640), (2, 818824320), (3, 545882880), (4, 409412160), (5, 327529728), (6, 272941440), (8, 204706080), (9, 181960960), (10, 163764864), (12, 136470720), (15, 109176576), (16, 102353040), (18, 90980480), (20, 81882432), (24, 68235360), (30, 54588288), (32, 51176520), (36, 45490240), (40, 40941216), (45, 36392192), (48, 34117680), (60, 27294144), (64, 25588260), (72, 22745120), (80, 20470608), (90, 18196096), (96, 17058840), (120, 13647072), (128, 12794130), (144, 11372560), (160, 10235304), (180, 9098048), (192, 8529420), (240, 6823536), (256, 6397065), (288, 5686280), (320, 5117652), (360, 4549024), (384, 4264710), (480, 3411768), (576, 2843140), (640, 2558826), (720, 2274512), (768, 2132355), (960, 1705884), (1152, 1421570), (1280, 1279413), (1440, 1137256), (1920, 852942), (2304, 710785), (2880, 568628), (3840, 426471), (5760, 284314), (11520, 142157)]