71433540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20887}}^1$

素因数の和:20921

約数の個数: 72

約数和(自身を含む): 228096960

約数和(自身を除く): 156663420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20887, 41774, 62661, 83548, 104435, 125322, 187983, 208870, 250644, 313305, 375966, 396853, 417740, 626610, 751932, 793706, 939915, 1190559, 1253220, 1587412, 1879830, 1984265, 2381118, 3571677, 3759660, 3968530, 4762236, 5952795, 7143354, 7937060, 11905590, 14286708, 17858385, 23811180, 35716770, 71433540]

約数ペア:

[(1, 71433540), (2, 35716770), (3, 23811180), (4, 17858385), (5, 14286708), (6, 11905590), (9, 7937060), (10, 7143354), (12, 5952795), (15, 4762236), (18, 3968530), (19, 3759660), (20, 3571677), (30, 2381118), (36, 1984265), (38, 1879830), (45, 1587412), (57, 1253220), (60, 1190559), (76, 939915), (90, 793706), (95, 751932), (114, 626610), (171, 417740), (180, 396853), (190, 375966), (228, 313305), (285, 250644), (342, 208870), (380, 187983), (570, 125322), (684, 104435), (855, 83548), (1140, 62661), (1710, 41774), (3420, 20887)]