209265480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{581293}}^1$

素因数の和:581310

約数の個数: 48

約数和(自身を含む): 680113980

約数和(自身を除く): 470848500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 581293, 1162586, 1743879, 2325172, 2906465, 3487758, 4650344, 5231637, 5812930, 6975516, 8719395, 10463274, 11625860, 13951032, 17438790, 20926548, 23251720, 26158185, 34877580, 41853096, 52316370, 69755160, 104632740, 209265480]

約数ペア:

[(1, 209265480), (2, 104632740), (3, 69755160), (4, 52316370), (5, 41853096), (6, 34877580), (8, 26158185), (9, 23251720), (10, 20926548), (12, 17438790), (15, 13951032), (18, 11625860), (20, 10463274), (24, 8719395), (30, 6975516), (36, 5812930), (40, 5231637), (45, 4650344), (60, 3487758), (72, 2906465), (90, 2325172), (120, 1743879), (180, 1162586), (360, 581293)]