1995540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 5671680

約数和(自身を除く): 3676140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 421, 474, 790, 842, 948, 1185, 1263, 1580, 1684, 2105, 2370, 2526, 4210, 4740, 5052, 6315, 8420, 12630, 25260, 33259, 66518, 99777, 133036, 166295, 199554, 332590, 399108, 498885, 665180, 997770, 1995540]

約数ペア:

[(1, 1995540), (2, 997770), (3, 665180), (4, 498885), (5, 399108), (6, 332590), (10, 199554), (12, 166295), (15, 133036), (20, 99777), (30, 66518), (60, 33259), (79, 25260), (158, 12630), (237, 8420), (316, 6315), (395, 5052), (421, 4740), (474, 4210), (790, 2526), (842, 2370), (948, 2105), (1185, 1684), (1263, 1580)]