2018016825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{3769}}^1$

素因数の和:3863

約数の個数: 72

約数和(自身を含む): 3730490400

約数和(自身を除く): 1712473575

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 59, 75, 121, 165, 177, 275, 295, 363, 605, 649, 825, 885, 1475, 1815, 1947, 3025, 3245, 3769, 4425, 7139, 9075, 9735, 11307, 16225, 18845, 21417, 35695, 41459, 48675, 56535, 94225, 107085, 124377, 178475, 207295, 222371, 282675, 456049, 535425, 621885, 667113, 1036475, 1111855, 1368147, 2280245, 2446081, 3109425, 3335565, 5559275, 6840735, 7338243, 11401225, 12230405, 16677825, 26906891, 34203675, 36691215, 61152025, 80720673, 134534455, 183456075, 403603365, 672672275, 2018016825]

約数ペア:

[(1, 2018016825), (3, 672672275), (5, 403603365), (11, 183456075), (15, 134534455), (25, 80720673), (33, 61152025), (55, 36691215), (59, 34203675), (75, 26906891), (121, 16677825), (165, 12230405), (177, 11401225), (275, 7338243), (295, 6840735), (363, 5559275), (605, 3335565), (649, 3109425), (825, 2446081), (885, 2280245), (1475, 1368147), (1815, 1111855), (1947, 1036475), (3025, 667113), (3245, 621885), (3769, 535425), (4425, 456049), (7139, 282675), (9075, 222371), (9735, 207295), (11307, 178475), (16225, 124377), (18845, 107085), (21417, 94225), (35695, 56535), (41459, 48675)]