15665680

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3319}}^1$

素因数の和:3391

約数の個数: 40

約数和(自身を含む): 37051200

約数和(自身を除く): 21385520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 3319, 4720, 6638, 13276, 16595, 26552, 33190, 53104, 66380, 132760, 195821, 265520, 391642, 783284, 979105, 1566568, 1958210, 3133136, 3916420, 7832840, 15665680]

約数ペア:

[(1, 15665680), (2, 7832840), (4, 3916420), (5, 3133136), (8, 1958210), (10, 1566568), (16, 979105), (20, 783284), (40, 391642), (59, 265520), (80, 195821), (118, 132760), (236, 66380), (295, 53104), (472, 33190), (590, 26552), (944, 16595), (1180, 13276), (2360, 6638), (3319, 4720)]