81374490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 223525440

約数和(自身を除く): 142150950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 163, 215, 258, 270, 326, 387, 430, 489, 645, 774, 815, 978, 1161, 1290, 1467, 1630, 1849, 1935, 2322, 2445, 2934, 3698, 3870, 4401, 4890, 5547, 5805, 7009, 7335, 8802, 9245, 11094, 11610, 14018, 14670, 16641, 18490, 21027, 22005, 27735, 33282, 35045, 42054, 44010, 49923, 55470, 63081, 70090, 83205, 99846, 105135, 126162, 166410, 189243, 210270, 249615, 301387, 315405, 378486, 499230, 602774, 630810, 904161, 946215, 1506935, 1808322, 1892430, 2712483, 3013870, 4520805, 5424966, 8137449, 9041610, 13562415, 16274898, 27124830, 40687245, 81374490]

約数ペア:

[(1, 81374490), (2, 40687245), (3, 27124830), (5, 16274898), (6, 13562415), (9, 9041610), (10, 8137449), (15, 5424966), (18, 4520805), (27, 3013870), (30, 2712483), (43, 1892430), (45, 1808322), (54, 1506935), (86, 946215), (90, 904161), (129, 630810), (135, 602774), (163, 499230), (215, 378486), (258, 315405), (270, 301387), (326, 249615), (387, 210270), (430, 189243), (489, 166410), (645, 126162), (774, 105135), (815, 99846), (978, 83205), (1161, 70090), (1290, 63081), (1467, 55470), (1630, 49923), (1849, 44010), (1935, 42054), (2322, 35045), (2445, 33282), (2934, 27735), (3698, 22005), (3870, 21027), (4401, 18490), (4890, 16641), (5547, 14670), (5805, 14018), (7009, 11610), (7335, 11094), (8802, 9245)]