80855600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 120

約数和(自身を含む): 225842688

約数和(自身を除く): 144987088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 67, 70, 80, 100, 112, 134, 140, 175, 200, 268, 280, 335, 350, 400, 431, 469, 536, 560, 670, 700, 862, 938, 1072, 1340, 1400, 1675, 1724, 1876, 2155, 2345, 2680, 2800, 3017, 3350, 3448, 3752, 4310, 4690, 5360, 6034, 6700, 6896, 7504, 8620, 9380, 10775, 11725, 12068, 13400, 15085, 17240, 18760, 21550, 23450, 24136, 26800, 28877, 30170, 34480, 37520, 43100, 46900, 48272, 57754, 60340, 75425, 86200, 93800, 115508, 120680, 144385, 150850, 172400, 187600, 202139, 231016, 241360, 288770, 301700, 404278, 462032, 577540, 603400, 721925, 808556, 1010695, 1155080, 1206800, 1443850, 1617112, 2021390, 2310160, 2887700, 3234224, 4042780, 5053475, 5775400, 8085560, 10106950, 11550800, 16171120, 20213900, 40427800, 80855600]

約数ペア:

[(1, 80855600), (2, 40427800), (4, 20213900), (5, 16171120), (7, 11550800), (8, 10106950), (10, 8085560), (14, 5775400), (16, 5053475), (20, 4042780), (25, 3234224), (28, 2887700), (35, 2310160), (40, 2021390), (50, 1617112), (56, 1443850), (67, 1206800), (70, 1155080), (80, 1010695), (100, 808556), (112, 721925), (134, 603400), (140, 577540), (175, 462032), (200, 404278), (268, 301700), (280, 288770), (335, 241360), (350, 231016), (400, 202139), (431, 187600), (469, 172400), (536, 150850), (560, 144385), (670, 120680), (700, 115508), (862, 93800), (938, 86200), (1072, 75425), (1340, 60340), (1400, 57754), (1675, 48272), (1724, 46900), (1876, 43100), (2155, 37520), (2345, 34480), (2680, 30170), (2800, 28877), (3017, 26800), (3350, 24136), (3448, 23450), (3752, 21550), (4310, 18760), (4690, 17240), (5360, 15085), (6034, 13400), (6700, 12068), (6896, 11725), (7504, 10775), (8620, 9380)]