81201840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338341}}^1$

素因数の和:338357

約数の個数: 40

約数和(自身を含む): 251726448

約数和(自身を除く): 170524608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338341, 676682, 1015023, 1353364, 1691705, 2030046, 2706728, 3383410, 4060092, 5075115, 5413456, 6766820, 8120184, 10150230, 13533640, 16240368, 20300460, 27067280, 40600920, 81201840]

約数ペア:

[(1, 81201840), (2, 40600920), (3, 27067280), (4, 20300460), (5, 16240368), (6, 13533640), (8, 10150230), (10, 8120184), (12, 6766820), (15, 5413456), (16, 5075115), (20, 4060092), (24, 3383410), (30, 2706728), (40, 2030046), (48, 1691705), (60, 1353364), (80, 1015023), (120, 676682), (240, 338341)]