1780451974620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{899218169}}^1$

素因数の和:899218195

約数の個数: 72

約数和(自身を含む): 5891677449840

約数和(自身を除く): 4111225475220

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, 899218169, 1798436338, 2697654507, 3596872676, 4496090845, 5395309014, 8092963521, 8992181690, 9891399859, 10790618028, 13488272535, 16185927042, 17984363380, 19782799718, 26976545070, 29674199577, 32371854084, 39565599436, 40464817605, 49456999295, 53953090140, 59348399154, 80929635210, 89022598731, 98913998590, 118696798308, 148370997885, 161859270420, 178045197462, 197827997180, 296741995770, 356090394924, 445112993655, 593483991540, 890225987310, 1780451974620]

約数ペア:

[(1, 1780451974620), (2, 890225987310), (3, 593483991540), (4, 445112993655), (5, 356090394924), (6, 296741995770), (9, 197827997180), (10, 178045197462), (11, 161859270420), (12, 148370997885), (15, 118696798308), (18, 98913998590), (20, 89022598731), (22, 80929635210), (30, 59348399154), (33, 53953090140), (36, 49456999295), (44, 40464817605), (45, 39565599436), (55, 32371854084), (60, 29674199577), (66, 26976545070), (90, 19782799718), (99, 17984363380), (110, 16185927042), (132, 13488272535), (165, 10790618028), (180, 9891399859), (198, 8992181690), (220, 8092963521), (330, 5395309014), (396, 4496090845), (495, 3596872676), (660, 2697654507), (990, 1798436338), (1980, 899218169)]