72868760

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{7559}}^1$

素因数の和:7811

約数の個数: 32

約数和(自身を含む): 164656800

約数和(自身を除く): 91788040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 7559, 9640, 15118, 30236, 37795, 60472, 75590, 151180, 302360, 1821719, 3643438, 7286876, 9108595, 14573752, 18217190, 36434380, 72868760]

約数ペア:

[(1, 72868760), (2, 36434380), (4, 18217190), (5, 14573752), (8, 9108595), (10, 7286876), (20, 3643438), (40, 1821719), (241, 302360), (482, 151180), (964, 75590), (1205, 60472), (1928, 37795), (2410, 30236), (4820, 15118), (7559, 9640)]