331378920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{920497}}^1$

素因数の和:920514

約数の個数: 48

約数和(自身を含む): 1076982660

約数和(自身を除く): 745603740

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, 920497, 1840994, 2761491, 3681988, 4602485, 5522982, 7363976, 8284473, 9204970, 11045964, 13807455, 16568946, 18409940, 22091928, 27614910, 33137892, 36819880, 41422365, 55229820, 66275784, 82844730, 110459640, 165689460, 331378920]

約数ペア:

[(1, 331378920), (2, 165689460), (3, 110459640), (4, 82844730), (5, 66275784), (6, 55229820), (8, 41422365), (9, 36819880), (10, 33137892), (12, 27614910), (15, 22091928), (18, 18409940), (20, 16568946), (24, 13807455), (30, 11045964), (36, 9204970), (40, 8284473), (45, 7363976), (60, 5522982), (72, 4602485), (90, 3681988), (120, 2761491), (180, 1840994), (360, 920497)]