155604800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7481}}^1$

素因数の和:7516

約数の個数: 84

約数和(自身を含む): 412392876

約数和(自身を除く): 256788076

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 4160, 5200, 7481, 10400, 14962, 20800, 29924, 37405, 59848, 74810, 97253, 119696, 149620, 187025, 194506, 239392, 299240, 374050, 389012, 478784, 486265, 598480, 748100, 778024, 972530, 1196960, 1496200, 1556048, 1945060, 2393920, 2431325, 2992400, 3112096, 3890120, 4862650, 5984800, 6224192, 7780240, 9725300, 11969600, 15560480, 19450600, 31120960, 38901200, 77802400, 155604800]

約数ペア:

[(1, 155604800), (2, 77802400), (4, 38901200), (5, 31120960), (8, 19450600), (10, 15560480), (13, 11969600), (16, 9725300), (20, 7780240), (25, 6224192), (26, 5984800), (32, 4862650), (40, 3890120), (50, 3112096), (52, 2992400), (64, 2431325), (65, 2393920), (80, 1945060), (100, 1556048), (104, 1496200), (130, 1196960), (160, 972530), (200, 778024), (208, 748100), (260, 598480), (320, 486265), (325, 478784), (400, 389012), (416, 374050), (520, 299240), (650, 239392), (800, 194506), (832, 187025), (1040, 149620), (1300, 119696), (1600, 97253), (2080, 74810), (2600, 59848), (4160, 37405), (5200, 29924), (7481, 20800), (10400, 14962)]