766389640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{743}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 1750066560

約数和(自身を除く): 983676920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 241, 428, 482, 535, 743, 856, 964, 1070, 1205, 1486, 1928, 2140, 2410, 2972, 3715, 4280, 4820, 5944, 7430, 9640, 14860, 25787, 29720, 51574, 79501, 103148, 128935, 159002, 179063, 206296, 257870, 318004, 358126, 397505, 515740, 636008, 716252, 795010, 895315, 1031480, 1432504, 1590020, 1790630, 3180040, 3581260, 7162520, 19159741, 38319482, 76638964, 95798705, 153277928, 191597410, 383194820, 766389640]

約数ペア:

[(1, 766389640), (2, 383194820), (4, 191597410), (5, 153277928), (8, 95798705), (10, 76638964), (20, 38319482), (40, 19159741), (107, 7162520), (214, 3581260), (241, 3180040), (428, 1790630), (482, 1590020), (535, 1432504), (743, 1031480), (856, 895315), (964, 795010), (1070, 716252), (1205, 636008), (1486, 515740), (1928, 397505), (2140, 358126), (2410, 318004), (2972, 257870), (3715, 206296), (4280, 179063), (4820, 159002), (5944, 128935), (7430, 103148), (9640, 79501), (14860, 51574), (25787, 29720)]