81867870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4481}}^1$

素因数の和:4530

約数の個数: 96

約数和(自身を含む): 251709120

約数和(自身を除く): 169841250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 63, 70, 87, 90, 105, 126, 145, 174, 203, 210, 261, 290, 315, 406, 435, 522, 609, 630, 870, 1015, 1218, 1305, 1827, 2030, 2610, 3045, 3654, 4481, 6090, 8962, 9135, 13443, 18270, 22405, 26886, 31367, 40329, 44810, 62734, 67215, 80658, 94101, 129949, 134430, 156835, 188202, 201645, 259898, 282303, 313670, 389847, 403290, 470505, 564606, 649745, 779694, 909643, 941010, 1169541, 1299490, 1411515, 1819286, 1949235, 2339082, 2728929, 2823030, 3898470, 4548215, 5457858, 5847705, 8186787, 9096430, 11695410, 13644645, 16373574, 27289290, 40933935, 81867870]

約数ペア:

[(1, 81867870), (2, 40933935), (3, 27289290), (5, 16373574), (6, 13644645), (7, 11695410), (9, 9096430), (10, 8186787), (14, 5847705), (15, 5457858), (18, 4548215), (21, 3898470), (29, 2823030), (30, 2728929), (35, 2339082), (42, 1949235), (45, 1819286), (58, 1411515), (63, 1299490), (70, 1169541), (87, 941010), (90, 909643), (105, 779694), (126, 649745), (145, 564606), (174, 470505), (203, 403290), (210, 389847), (261, 313670), (290, 282303), (315, 259898), (406, 201645), (435, 188202), (522, 156835), (609, 134430), (630, 129949), (870, 94101), (1015, 80658), (1218, 67215), (1305, 62734), (1827, 44810), (2030, 40329), (2610, 31367), (3045, 26886), (3654, 22405), (4481, 18270), (6090, 13443), (8962, 9135)]