136671640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3109}}^1$

素因数の和:3284

約数の個数: 64

約数和(自身を含む): 353793600

約数和(自身を除く): 217121960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3109, 3140, 4396, 5495, 6218, 6280, 8792, 10990, 12436, 15545, 21763, 21980, 24872, 31090, 43526, 43960, 62180, 87052, 108815, 124360, 174104, 217630, 435260, 488113, 870520, 976226, 1952452, 2440565, 3416791, 3904904, 4881130, 6833582, 9762260, 13667164, 17083955, 19524520, 27334328, 34167910, 68335820, 136671640]

約数ペア:

[(1, 136671640), (2, 68335820), (4, 34167910), (5, 27334328), (7, 19524520), (8, 17083955), (10, 13667164), (14, 9762260), (20, 6833582), (28, 4881130), (35, 3904904), (40, 3416791), (56, 2440565), (70, 1952452), (140, 976226), (157, 870520), (280, 488113), (314, 435260), (628, 217630), (785, 174104), (1099, 124360), (1256, 108815), (1570, 87052), (2198, 62180), (3109, 43960), (3140, 43526), (4396, 31090), (5495, 24872), (6218, 21980), (6280, 21763), (8792, 15545), (10990, 12436)]