78786400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1317

約数の個数: 144

約数和(自身を含む): 239984640

約数和(自身を除く): 161198240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 175, 176, 200, 220, 224, 275, 280, 308, 350, 352, 385, 400, 440, 550, 560, 616, 700, 770, 800, 880, 1100, 1120, 1232, 1279, 1400, 1540, 1760, 1925, 2200, 2464, 2558, 2800, 3080, 3850, 4400, 5116, 5600, 6160, 6395, 7700, 8800, 8953, 10232, 12320, 12790, 14069, 15400, 17906, 20464, 25580, 28138, 30800, 31975, 35812, 40928, 44765, 51160, 56276, 61600, 63950, 70345, 71624, 89530, 98483, 102320, 112552, 127900, 140690, 143248, 179060, 196966, 204640, 223825, 225104, 255800, 281380, 286496, 351725, 358120, 393932, 447650, 450208, 492415, 511600, 562760, 703450, 716240, 787864, 895300, 984830, 1023200, 1125520, 1406900, 1432480, 1575728, 1790600, 1969660, 2251040, 2462075, 2813800, 3151456, 3581200, 3939320, 4924150, 5627600, 7162400, 7878640, 9848300, 11255200, 15757280, 19696600, 39393200, 78786400]

約数ペア:

[(1, 78786400), (2, 39393200), (4, 19696600), (5, 15757280), (7, 11255200), (8, 9848300), (10, 7878640), (11, 7162400), (14, 5627600), (16, 4924150), (20, 3939320), (22, 3581200), (25, 3151456), (28, 2813800), (32, 2462075), (35, 2251040), (40, 1969660), (44, 1790600), (50, 1575728), (55, 1432480), (56, 1406900), (70, 1125520), (77, 1023200), (80, 984830), (88, 895300), (100, 787864), (110, 716240), (112, 703450), (140, 562760), (154, 511600), (160, 492415), (175, 450208), (176, 447650), (200, 393932), (220, 358120), (224, 351725), (275, 286496), (280, 281380), (308, 255800), (350, 225104), (352, 223825), (385, 204640), (400, 196966), (440, 179060), (550, 143248), (560, 140690), (616, 127900), (700, 112552), (770, 102320), (800, 98483), (880, 89530), (1100, 71624), (1120, 70345), (1232, 63950), (1279, 61600), (1400, 56276), (1540, 51160), (1760, 44765), (1925, 40928), (2200, 35812), (2464, 31975), (2558, 30800), (2800, 28138), (3080, 25580), (3850, 20464), (4400, 17906), (5116, 15400), (5600, 14069), (6160, 12790), (6395, 12320), (7700, 10232), (8800, 8953)]