2145080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 5667840

約数和(自身を除く): 3522760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 163, 188, 235, 280, 326, 329, 376, 470, 652, 658, 815, 940, 1141, 1304, 1316, 1630, 1645, 1880, 2282, 2632, 3260, 3290, 4564, 5705, 6520, 6580, 7661, 9128, 11410, 13160, 15322, 22820, 30644, 38305, 45640, 53627, 61288, 76610, 107254, 153220, 214508, 268135, 306440, 429016, 536270, 1072540, 2145080]

約数ペア:

[(1, 2145080), (2, 1072540), (4, 536270), (5, 429016), (7, 306440), (8, 268135), (10, 214508), (14, 153220), (20, 107254), (28, 76610), (35, 61288), (40, 53627), (47, 45640), (56, 38305), (70, 30644), (94, 22820), (140, 15322), (163, 13160), (188, 11410), (235, 9128), (280, 7661), (326, 6580), (329, 6520), (376, 5705), (470, 4564), (652, 3290), (658, 3260), (815, 2632), (940, 2282), (1141, 1880), (1304, 1645), (1316, 1630)]