1039640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 2764800

約数和(自身を除く): 1725160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 79, 94, 140, 158, 188, 235, 280, 316, 329, 376, 395, 470, 553, 632, 658, 790, 940, 1106, 1316, 1580, 1645, 1880, 2212, 2632, 2765, 3160, 3290, 3713, 4424, 5530, 6580, 7426, 11060, 13160, 14852, 18565, 22120, 25991, 29704, 37130, 51982, 74260, 103964, 129955, 148520, 207928, 259910, 519820, 1039640]

約数ペア:

[(1, 1039640), (2, 519820), (4, 259910), (5, 207928), (7, 148520), (8, 129955), (10, 103964), (14, 74260), (20, 51982), (28, 37130), (35, 29704), (40, 25991), (47, 22120), (56, 18565), (70, 14852), (79, 13160), (94, 11060), (140, 7426), (158, 6580), (188, 5530), (235, 4424), (280, 3713), (316, 3290), (329, 3160), (376, 2765), (395, 2632), (470, 2212), (553, 1880), (632, 1645), (658, 1580), (790, 1316), (940, 1106)]