87397640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1429}}^1$

素因数の和:1590

約数の個数: 64

約数和(自身を含む): 216216000

約数和(自身を除く): 128818360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1429, 1529, 2780, 2858, 3058, 5560, 5716, 6116, 7145, 7645, 11432, 12232, 14290, 15290, 15719, 28580, 30580, 31438, 57160, 61160, 62876, 78595, 125752, 157190, 198631, 314380, 397262, 628760, 794524, 993155, 1589048, 1986310, 2184941, 3972620, 4369882, 7945240, 8739764, 10924705, 17479528, 21849410, 43698820, 87397640]

約数ペア:

[(1, 87397640), (2, 43698820), (4, 21849410), (5, 17479528), (8, 10924705), (10, 8739764), (11, 7945240), (20, 4369882), (22, 3972620), (40, 2184941), (44, 1986310), (55, 1589048), (88, 993155), (110, 794524), (139, 628760), (220, 397262), (278, 314380), (440, 198631), (556, 157190), (695, 125752), (1112, 78595), (1390, 62876), (1429, 61160), (1529, 57160), (2780, 31438), (2858, 30580), (3058, 28580), (5560, 15719), (5716, 15290), (6116, 14290), (7145, 12232), (7645, 11432)]