13210980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{523}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 37149504

約数和(自身を除く): 23938524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 523, 842, 1046, 1263, 1569, 1684, 2092, 2105, 2526, 2615, 3138, 4210, 5052, 5230, 6276, 6315, 7845, 8420, 10460, 12630, 15690, 25260, 31380, 220183, 440366, 660549, 880732, 1100915, 1321098, 2201830, 2642196, 3302745, 4403660, 6605490, 13210980]

約数ペア:

[(1, 13210980), (2, 6605490), (3, 4403660), (4, 3302745), (5, 2642196), (6, 2201830), (10, 1321098), (12, 1100915), (15, 880732), (20, 660549), (30, 440366), (60, 220183), (421, 31380), (523, 25260), (842, 15690), (1046, 12630), (1263, 10460), (1569, 8420), (1684, 7845), (2092, 6315), (2105, 6276), (2526, 5230), (2615, 5052), (3138, 4210)]