20128465440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4659367}}^1$

素因数の和:4659391

約数の個数: 96

約数和(自身を含む): 70449644160

約数和(自身を除く): 50321178720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4659367, 9318734, 13978101, 18637468, 23296835, 27956202, 37274936, 41934303, 46593670, 55912404, 69890505, 74549872, 83868606, 93187340, 111824808, 125802909, 139781010, 149099744, 167737212, 186374680, 209671515, 223649616, 251605818, 279562020, 335474424, 372749360, 419343030, 447299232, 503211636, 559124040, 629014545, 670948848, 745498720, 838686060, 1006423272, 1118248080, 1258029090, 1341897696, 1677372120, 2012846544, 2236496160, 2516058180, 3354744240, 4025693088, 5032116360, 6709488480, 10064232720, 20128465440]

約数ペア:

[(1, 20128465440), (2, 10064232720), (3, 6709488480), (4, 5032116360), (5, 4025693088), (6, 3354744240), (8, 2516058180), (9, 2236496160), (10, 2012846544), (12, 1677372120), (15, 1341897696), (16, 1258029090), (18, 1118248080), (20, 1006423272), (24, 838686060), (27, 745498720), (30, 670948848), (32, 629014545), (36, 559124040), (40, 503211636), (45, 447299232), (48, 419343030), (54, 372749360), (60, 335474424), (72, 279562020), (80, 251605818), (90, 223649616), (96, 209671515), (108, 186374680), (120, 167737212), (135, 149099744), (144, 139781010), (160, 125802909), (180, 111824808), (216, 93187340), (240, 83868606), (270, 74549872), (288, 69890505), (360, 55912404), (432, 46593670), (480, 41934303), (540, 37274936), (720, 27956202), (864, 23296835), (1080, 18637468), (1440, 13978101), (2160, 9318734), (4320, 4659367)]