81660240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113417}}^1$

素因数の和:113436

約数の個数: 60

約数和(自身を含む): 274244724

約数和(自身を除く): 192584484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113417, 226834, 340251, 453668, 567085, 680502, 907336, 1020753, 1134170, 1361004, 1701255, 1814672, 2041506, 2268340, 2722008, 3402510, 4083012, 4536680, 5103765, 5444016, 6805020, 8166024, 9073360, 10207530, 13610040, 16332048, 20415060, 27220080, 40830120, 81660240]

約数ペア:

[(1, 81660240), (2, 40830120), (3, 27220080), (4, 20415060), (5, 16332048), (6, 13610040), (8, 10207530), (9, 9073360), (10, 8166024), (12, 6805020), (15, 5444016), (16, 5103765), (18, 4536680), (20, 4083012), (24, 3402510), (30, 2722008), (36, 2268340), (40, 2041506), (45, 1814672), (48, 1701255), (60, 1361004), (72, 1134170), (80, 1020753), (90, 907336), (120, 680502), (144, 567085), (180, 453668), (240, 340251), (360, 226834), (720, 113417)]