20705654400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{2156839}}^1$

素因数の和:2156866

約数の個数: 96

約数和(自身を含む): 68199280800

約数和(自身を除く): 47493626400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2400, 3200, 4800, 9600, 2156839, 4313678, 6470517, 8627356, 10784195, 12941034, 17254712, 21568390, 25882068, 32352585, 34509424, 43136780, 51764136, 53920975, 64705170, 69018848, 86273560, 103528272, 107841950, 129410340, 138037696, 161762925, 172547120, 207056544, 215683900, 258820680, 276075392, 323525850, 345094240, 414113088, 431367800, 517641360, 647051700, 690188480, 828226176, 862735600, 1035282720, 1294103400, 1380376960, 1725471200, 2070565440, 2588206800, 3450942400, 4141130880, 5176413600, 6901884800, 10352827200, 20705654400]

約数ペア:

[(1, 20705654400), (2, 10352827200), (3, 6901884800), (4, 5176413600), (5, 4141130880), (6, 3450942400), (8, 2588206800), (10, 2070565440), (12, 1725471200), (15, 1380376960), (16, 1294103400), (20, 1035282720), (24, 862735600), (25, 828226176), (30, 690188480), (32, 647051700), (40, 517641360), (48, 431367800), (50, 414113088), (60, 345094240), (64, 323525850), (75, 276075392), (80, 258820680), (96, 215683900), (100, 207056544), (120, 172547120), (128, 161762925), (150, 138037696), (160, 129410340), (192, 107841950), (200, 103528272), (240, 86273560), (300, 69018848), (320, 64705170), (384, 53920975), (400, 51764136), (480, 43136780), (600, 34509424), (640, 32352585), (800, 25882068), (960, 21568390), (1200, 17254712), (1600, 12941034), (1920, 10784195), (2400, 8627356), (3200, 6470517), (4800, 4313678), (9600, 2156839)]