81821790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:902

約数の個数: 96

約数和(自身を含む): 228009600

約数和(自身を除く): 146187810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 59, 90, 95, 114, 118, 171, 177, 190, 285, 295, 342, 354, 531, 570, 590, 811, 855, 885, 1062, 1121, 1622, 1710, 1770, 2242, 2433, 2655, 3363, 4055, 4866, 5310, 5605, 6726, 7299, 8110, 10089, 11210, 12165, 14598, 15409, 16815, 20178, 24330, 30818, 33630, 36495, 46227, 47849, 50445, 72990, 77045, 92454, 95698, 100890, 138681, 143547, 154090, 231135, 239245, 277362, 287094, 430641, 462270, 478490, 693405, 717735, 861282, 909131, 1386810, 1435470, 1818262, 2153205, 2727393, 4306410, 4545655, 5454786, 8182179, 9091310, 13636965, 16364358, 27273930, 40910895, 81821790]

約数ペア:

[(1, 81821790), (2, 40910895), (3, 27273930), (5, 16364358), (6, 13636965), (9, 9091310), (10, 8182179), (15, 5454786), (18, 4545655), (19, 4306410), (30, 2727393), (38, 2153205), (45, 1818262), (57, 1435470), (59, 1386810), (90, 909131), (95, 861282), (114, 717735), (118, 693405), (171, 478490), (177, 462270), (190, 430641), (285, 287094), (295, 277362), (342, 239245), (354, 231135), (531, 154090), (570, 143547), (590, 138681), (811, 100890), (855, 95698), (885, 92454), (1062, 77045), (1121, 72990), (1622, 50445), (1710, 47849), (1770, 46227), (2242, 36495), (2433, 33630), (2655, 30818), (3363, 24330), (4055, 20178), (4866, 16815), (5310, 15409), (5605, 14598), (6726, 12165), (7299, 11210), (8110, 10089)]