398479560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3320663}}^1$

素因数の和:3320677

約数の個数: 32

約数和(自身を含む): 1195439040

約数和(自身を除く): 796959480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3320663, 6641326, 9961989, 13282652, 16603315, 19923978, 26565304, 33206630, 39847956, 49809945, 66413260, 79695912, 99619890, 132826520, 199239780, 398479560]

約数ペア:

[(1, 398479560), (2, 199239780), (3, 132826520), (4, 99619890), (5, 79695912), (6, 66413260), (8, 49809945), (10, 39847956), (12, 33206630), (15, 26565304), (20, 19923978), (24, 16603315), (30, 13282652), (40, 9961989), (60, 6641326), (120, 3320663)]