78690990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{374719}}^1$

素因数の和:374736

約数の個数: 32

約数和(自身を含む): 215838720

約数和(自身を除く): 137147730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 374719, 749438, 1124157, 1873595, 2248314, 2623033, 3747190, 5246066, 5620785, 7869099, 11241570, 13115165, 15738198, 26230330, 39345495, 78690990]

約数ペア:

[(1, 78690990), (2, 39345495), (3, 26230330), (5, 15738198), (6, 13115165), (7, 11241570), (10, 7869099), (14, 5620785), (15, 5246066), (21, 3747190), (30, 2623033), (35, 2248314), (42, 1873595), (70, 1124157), (105, 749438), (210, 374719)]