215278920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{597997}}^1$

素因数の和:598014

約数の個数: 48

約数和(自身を含む): 699657660

約数和(自身を除く): 484378740

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, 597997, 1195994, 1793991, 2391988, 2989985, 3587982, 4783976, 5381973, 5979970, 7175964, 8969955, 10763946, 11959940, 14351928, 17939910, 21527892, 23919880, 26909865, 35879820, 43055784, 53819730, 71759640, 107639460, 215278920]

約数ペア:

[(1, 215278920), (2, 107639460), (3, 71759640), (4, 53819730), (5, 43055784), (6, 35879820), (8, 26909865), (9, 23919880), (10, 21527892), (12, 17939910), (15, 14351928), (18, 11959940), (20, 10763946), (24, 8969955), (30, 7175964), (36, 5979970), (40, 5381973), (45, 4783976), (60, 3587982), (72, 2989985), (90, 2391988), (120, 1793991), (180, 1195994), (360, 597997)]