78691620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187361}}^1$

素因数の和:187380

約数の個数: 48

約数和(自身を含む): 251814528

約数和(自身を除く): 173122908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187361, 374722, 562083, 749444, 936805, 1124166, 1311527, 1873610, 2248332, 2623054, 2810415, 3747220, 3934581, 5246108, 5620830, 6557635, 7869162, 11241660, 13115270, 15738324, 19672905, 26230540, 39345810, 78691620]

約数ペア:

[(1, 78691620), (2, 39345810), (3, 26230540), (4, 19672905), (5, 15738324), (6, 13115270), (7, 11241660), (10, 7869162), (12, 6557635), (14, 5620830), (15, 5246108), (20, 3934581), (21, 3747220), (28, 2810415), (30, 2623054), (35, 2248332), (42, 1873610), (60, 1311527), (70, 1124166), (84, 936805), (105, 749444), (140, 562083), (210, 374722), (420, 187361)]