81869790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{701}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 209252160

約数和(自身を除く): 127382370

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 229, 255, 458, 510, 687, 701, 1145, 1374, 1402, 2103, 2290, 3435, 3505, 3893, 4206, 6870, 7010, 7786, 10515, 11679, 11917, 19465, 21030, 23358, 23834, 35751, 38930, 58395, 59585, 71502, 116790, 119170, 160529, 178755, 321058, 357510, 481587, 802645, 963174, 1605290, 2407935, 2728993, 4815870, 5457986, 8186979, 13644965, 16373958, 27289930, 40934895, 81869790]

約数ペア:

[(1, 81869790), (2, 40934895), (3, 27289930), (5, 16373958), (6, 13644965), (10, 8186979), (15, 5457986), (17, 4815870), (30, 2728993), (34, 2407935), (51, 1605290), (85, 963174), (102, 802645), (170, 481587), (229, 357510), (255, 321058), (458, 178755), (510, 160529), (687, 119170), (701, 116790), (1145, 71502), (1374, 59585), (1402, 58395), (2103, 38930), (2290, 35751), (3435, 23834), (3505, 23358), (3893, 21030), (4206, 19465), (6870, 11917), (7010, 11679), (7786, 10515)]