81757680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340657}}^1$

素因数の和:340673

約数の個数: 40

約数和(自身を含む): 253449552

約数和(自身を除く): 171691872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340657, 681314, 1021971, 1362628, 1703285, 2043942, 2725256, 3406570, 4087884, 5109855, 5450512, 6813140, 8175768, 10219710, 13626280, 16351536, 20439420, 27252560, 40878840, 81757680]

約数ペア:

[(1, 81757680), (2, 40878840), (3, 27252560), (4, 20439420), (5, 16351536), (6, 13626280), (8, 10219710), (10, 8175768), (12, 6813140), (15, 5450512), (16, 5109855), (20, 4087884), (24, 3406570), (30, 2725256), (40, 2043942), (48, 1703285), (60, 1362628), (80, 1021971), (120, 681314), (240, 340657)]