20188800

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{701}}^1$

素因数の和:731

約数の個数: 144

約数和(自身を含む): 72141030

約数和(自身を除く): 51952230

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 701, 720, 800, 900, 960, 1152, 1200, 1402, 1440, 1600, 1800, 1920, 2103, 2400, 2804, 2880, 3200, 3505, 3600, 4206, 4800, 5608, 5760, 6309, 7010, 7200, 8412, 9600, 10515, 11216, 12618, 14020, 14400, 16824, 17525, 21030, 22432, 25236, 28040, 28800, 31545, 33648, 35050, 42060, 44864, 50472, 52575, 56080, 63090, 67296, 70100, 84120, 89728, 100944, 105150, 112160, 126180, 134592, 140200, 157725, 168240, 201888, 210300, 224320, 252360, 269184, 280400, 315450, 336480, 403776, 420600, 448640, 504720, 560800, 630900, 672960, 807552, 841200, 1009440, 1121600, 1261800, 1345920, 1682400, 2018880, 2243200, 2523600, 3364800, 4037760, 5047200, 6729600, 10094400, 20188800]

約数ペア:

[(1, 20188800), (2, 10094400), (3, 6729600), (4, 5047200), (5, 4037760), (6, 3364800), (8, 2523600), (9, 2243200), (10, 2018880), (12, 1682400), (15, 1345920), (16, 1261800), (18, 1121600), (20, 1009440), (24, 841200), (25, 807552), (30, 672960), (32, 630900), (36, 560800), (40, 504720), (45, 448640), (48, 420600), (50, 403776), (60, 336480), (64, 315450), (72, 280400), (75, 269184), (80, 252360), (90, 224320), (96, 210300), (100, 201888), (120, 168240), (128, 157725), (144, 140200), (150, 134592), (160, 126180), (180, 112160), (192, 105150), (200, 100944), (225, 89728), (240, 84120), (288, 70100), (300, 67296), (320, 63090), (360, 56080), (384, 52575), (400, 50472), (450, 44864), (480, 42060), (576, 35050), (600, 33648), (640, 31545), (701, 28800), (720, 28040), (800, 25236), (900, 22432), (960, 21030), (1152, 17525), (1200, 16824), (1402, 14400), (1440, 14020), (1600, 12618), (1800, 11216), (1920, 10515), (2103, 9600), (2400, 8412), (2804, 7200), (2880, 7010), (3200, 6309), (3505, 5760), (3600, 5608), (4206, 4800)]