78643620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39719}}^1$

素因数の和:39745

約数の個数: 72

約数和(自身を含む): 260245440

約数和(自身を除く): 181601820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 39719, 79438, 119157, 158876, 198595, 238314, 357471, 397190, 436909, 476628, 595785, 714942, 794380, 873818, 1191570, 1310727, 1429884, 1747636, 1787355, 2184545, 2383140, 2621454, 3574710, 3932181, 4369090, 5242908, 6553635, 7149420, 7864362, 8738180, 13107270, 15728724, 19660905, 26214540, 39321810, 78643620]

約数ペア:

[(1, 78643620), (2, 39321810), (3, 26214540), (4, 19660905), (5, 15728724), (6, 13107270), (9, 8738180), (10, 7864362), (11, 7149420), (12, 6553635), (15, 5242908), (18, 4369090), (20, 3932181), (22, 3574710), (30, 2621454), (33, 2383140), (36, 2184545), (44, 1787355), (45, 1747636), (55, 1429884), (60, 1310727), (66, 1191570), (90, 873818), (99, 794380), (110, 714942), (132, 595785), (165, 476628), (180, 436909), (198, 397190), (220, 357471), (330, 238314), (396, 198595), (495, 158876), (660, 119157), (990, 79438), (1980, 39719)]