643670010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{55441}}^1$

素因数の和:55500

約数の個数: 64

約数和(自身を含む): 1756402560

約数和(自身を除く): 1112732550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1935, 2322, 3870, 5805, 11610, 55441, 110882, 166323, 277205, 332646, 498969, 554410, 831615, 997938, 1496907, 1663230, 2383963, 2494845, 2993814, 4767926, 4989690, 7151889, 7484535, 11919815, 14303778, 14969070, 21455667, 23839630, 35759445, 42911334, 64367001, 71518890, 107278335, 128734002, 214556670, 321835005, 643670010]

約数ペア:

[(1, 643670010), (2, 321835005), (3, 214556670), (5, 128734002), (6, 107278335), (9, 71518890), (10, 64367001), (15, 42911334), (18, 35759445), (27, 23839630), (30, 21455667), (43, 14969070), (45, 14303778), (54, 11919815), (86, 7484535), (90, 7151889), (129, 4989690), (135, 4767926), (215, 2993814), (258, 2494845), (270, 2383963), (387, 1663230), (430, 1496907), (645, 997938), (774, 831615), (1161, 554410), (1290, 498969), (1935, 332646), (2322, 277205), (3870, 166323), (5805, 110882), (11610, 55441)]