1521660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3623}}^1$

素因数の和:3642

約数の個数: 48

約数和(自身を含む): 4870656

約数和(自身を除く): 3348996

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, 3623, 7246, 10869, 14492, 18115, 21738, 25361, 36230, 43476, 50722, 54345, 72460, 76083, 101444, 108690, 126805, 152166, 217380, 253610, 304332, 380415, 507220, 760830, 1521660]

約数ペア:

[(1, 1521660), (2, 760830), (3, 507220), (4, 380415), (5, 304332), (6, 253610), (7, 217380), (10, 152166), (12, 126805), (14, 108690), (15, 101444), (20, 76083), (21, 72460), (28, 54345), (30, 50722), (35, 43476), (42, 36230), (60, 25361), (70, 21738), (84, 18115), (105, 14492), (140, 10869), (210, 7246), (420, 3623)]