51307740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25913}}^1$

素因数の和:25939

約数の個数: 72

約数和(自身を含む): 169788528

約数和(自身を除く): 118480788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 25913, 51826, 77739, 103652, 129565, 155478, 233217, 259130, 285043, 310956, 388695, 466434, 518260, 570086, 777390, 855129, 932868, 1140172, 1166085, 1425215, 1554780, 1710258, 2332170, 2565387, 2850430, 3420516, 4275645, 4664340, 5130774, 5700860, 8551290, 10261548, 12826935, 17102580, 25653870, 51307740]

約数ペア:

[(1, 51307740), (2, 25653870), (3, 17102580), (4, 12826935), (5, 10261548), (6, 8551290), (9, 5700860), (10, 5130774), (11, 4664340), (12, 4275645), (15, 3420516), (18, 2850430), (20, 2565387), (22, 2332170), (30, 1710258), (33, 1554780), (36, 1425215), (44, 1166085), (45, 1140172), (55, 932868), (60, 855129), (66, 777390), (90, 570086), (99, 518260), (110, 466434), (132, 388695), (165, 310956), (180, 285043), (198, 259130), (220, 233217), (330, 155478), (396, 129565), (495, 103652), (660, 77739), (990, 51826), (1980, 25913)]