81262140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{18553}}^1$

素因数の和:18638

約数の個数: 48

約数和(自身を含む): 230663328

約数和(自身を除く): 149401188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 18553, 37106, 55659, 74212, 92765, 111318, 185530, 222636, 278295, 371060, 556590, 1113180, 1354369, 2708738, 4063107, 5417476, 6771845, 8126214, 13543690, 16252428, 20315535, 27087380, 40631070, 81262140]

約数ペア:

[(1, 81262140), (2, 40631070), (3, 27087380), (4, 20315535), (5, 16252428), (6, 13543690), (10, 8126214), (12, 6771845), (15, 5417476), (20, 4063107), (30, 2708738), (60, 1354369), (73, 1113180), (146, 556590), (219, 371060), (292, 278295), (365, 222636), (438, 185530), (730, 111318), (876, 92765), (1095, 74212), (1460, 55659), (2190, 37106), (4380, 18553)]