78581745

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 158906880

約数和(自身を除く): 80325135

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 81, 93, 99, 135, 155, 165, 279, 297, 341, 405, 465, 495, 569, 837, 891, 1023, 1395, 1485, 1705, 1707, 2511, 2845, 3069, 4185, 4455, 5115, 5121, 6259, 8535, 9207, 12555, 15345, 15363, 17639, 18777, 25605, 27621, 31295, 46035, 46089, 52917, 56331, 76815, 88195, 93885, 138105, 158751, 168993, 194029, 230445, 264585, 281655, 476253, 506979, 582087, 793755, 844965, 970145, 1428759, 1746261, 2381265, 2534895, 2910435, 5238783, 7143795, 8731305, 15716349, 26193915, 78581745]

約数ペア:

[(1, 78581745), (3, 26193915), (5, 15716349), (9, 8731305), (11, 7143795), (15, 5238783), (27, 2910435), (31, 2534895), (33, 2381265), (45, 1746261), (55, 1428759), (81, 970145), (93, 844965), (99, 793755), (135, 582087), (155, 506979), (165, 476253), (279, 281655), (297, 264585), (341, 230445), (405, 194029), (465, 168993), (495, 158751), (569, 138105), (837, 93885), (891, 88195), (1023, 76815), (1395, 56331), (1485, 52917), (1705, 46089), (1707, 46035), (2511, 31295), (2845, 27621), (3069, 25605), (4185, 18777), (4455, 17639), (5115, 15363), (5121, 15345), (6259, 12555), (8535, 9207)]