398780880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1661587}}^1$

素因数の和:1661603

約数の個数: 40

約数和(自身を含む): 1236221472

約数和(自身を除く): 837440592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1661587, 3323174, 4984761, 6646348, 8307935, 9969522, 13292696, 16615870, 19939044, 24923805, 26585392, 33231740, 39878088, 49847610, 66463480, 79756176, 99695220, 132926960, 199390440, 398780880]

約数ペア:

[(1, 398780880), (2, 199390440), (3, 132926960), (4, 99695220), (5, 79756176), (6, 66463480), (8, 49847610), (10, 39878088), (12, 33231740), (15, 26585392), (16, 24923805), (20, 19939044), (24, 16615870), (30, 13292696), (40, 9969522), (48, 8307935), (60, 6646348), (80, 4984761), (120, 3323174), (240, 1661587)]