81952640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1700

約数の個数: 128

約数和(自身を含む): 244408320

約数和(自身を除く): 162455680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1663, 1760, 2240, 2464, 3080, 3326, 3520, 4480, 4928, 6160, 6652, 7040, 8315, 9856, 11641, 12320, 13304, 16630, 18293, 23282, 24640, 26608, 33260, 36586, 46564, 49280, 53216, 58205, 66520, 73172, 91465, 93128, 106432, 116410, 128051, 133040, 146344, 182930, 186256, 212864, 232820, 256102, 266080, 292688, 365860, 372512, 465640, 512204, 532160, 585376, 640255, 731720, 745024, 931280, 1024408, 1064320, 1170752, 1280510, 1463440, 1490048, 1862560, 2048816, 2341504, 2561020, 2926880, 3725120, 4097632, 5122040, 5853760, 7450240, 8195264, 10244080, 11707520, 16390528, 20488160, 40976320, 81952640]

約数ペア:

[(1, 81952640), (2, 40976320), (4, 20488160), (5, 16390528), (7, 11707520), (8, 10244080), (10, 8195264), (11, 7450240), (14, 5853760), (16, 5122040), (20, 4097632), (22, 3725120), (28, 2926880), (32, 2561020), (35, 2341504), (40, 2048816), (44, 1862560), (55, 1490048), (56, 1463440), (64, 1280510), (70, 1170752), (77, 1064320), (80, 1024408), (88, 931280), (110, 745024), (112, 731720), (128, 640255), (140, 585376), (154, 532160), (160, 512204), (176, 465640), (220, 372512), (224, 365860), (280, 292688), (308, 266080), (320, 256102), (352, 232820), (385, 212864), (440, 186256), (448, 182930), (560, 146344), (616, 133040), (640, 128051), (704, 116410), (770, 106432), (880, 93128), (896, 91465), (1120, 73172), (1232, 66520), (1408, 58205), (1540, 53216), (1663, 49280), (1760, 46564), (2240, 36586), (2464, 33260), (3080, 26608), (3326, 24640), (3520, 23282), (4480, 18293), (4928, 16630), (6160, 13304), (6652, 12320), (7040, 11641), (8315, 9856)]