28401540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{829}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 79759680

約数和(自身を除く): 51358140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 571, 829, 1142, 1658, 1713, 2284, 2487, 2855, 3316, 3426, 4145, 4974, 5710, 6852, 8290, 8565, 9948, 11420, 12435, 16580, 17130, 24870, 34260, 49740, 473359, 946718, 1420077, 1893436, 2366795, 2840154, 4733590, 5680308, 7100385, 9467180, 14200770, 28401540]

約数ペア:

[(1, 28401540), (2, 14200770), (3, 9467180), (4, 7100385), (5, 5680308), (6, 4733590), (10, 2840154), (12, 2366795), (15, 1893436), (20, 1420077), (30, 946718), (60, 473359), (571, 49740), (829, 34260), (1142, 24870), (1658, 17130), (1713, 16580), (2284, 12435), (2487, 11420), (2855, 9948), (3316, 8565), (3426, 8290), (4145, 6852), (4974, 5710)]