320445390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{120017}}^1$

素因数の和:120116

約数の個数: 32

約数和(自身を含む): 777716640

約数和(自身を除く): 457271250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 120017, 240034, 360051, 600085, 720102, 1200170, 1800255, 3600510, 10681513, 21363026, 32044539, 53407565, 64089078, 106815130, 160222695, 320445390]

約数ペア:

[(1, 320445390), (2, 160222695), (3, 106815130), (5, 64089078), (6, 53407565), (10, 32044539), (15, 21363026), (30, 10681513), (89, 3600510), (178, 1800255), (267, 1200170), (445, 720102), (534, 600085), (890, 360051), (1335, 240034), (2670, 120017)]