81733140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2719}}^1$

素因数の和:2901

約数の個数: 72

約数和(自身を含む): 249500160

約数和(自身を除く): 167767020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1503, 1670, 2004, 2505, 2719, 3006, 3340, 5010, 5438, 6012, 7515, 8157, 10020, 10876, 13595, 15030, 16314, 24471, 27190, 30060, 32628, 40785, 48942, 54380, 81570, 97884, 122355, 163140, 244710, 454073, 489420, 908146, 1362219, 1816292, 2270365, 2724438, 4086657, 4540730, 5448876, 6811095, 8173314, 9081460, 13622190, 16346628, 20433285, 27244380, 40866570, 81733140]

約数ペア:

[(1, 81733140), (2, 40866570), (3, 27244380), (4, 20433285), (5, 16346628), (6, 13622190), (9, 9081460), (10, 8173314), (12, 6811095), (15, 5448876), (18, 4540730), (20, 4086657), (30, 2724438), (36, 2270365), (45, 1816292), (60, 1362219), (90, 908146), (167, 489420), (180, 454073), (334, 244710), (501, 163140), (668, 122355), (835, 97884), (1002, 81570), (1503, 54380), (1670, 48942), (2004, 40785), (2505, 32628), (2719, 30060), (3006, 27190), (3340, 24471), (5010, 16314), (5438, 15030), (6012, 13595), (7515, 10876), (8157, 10020)]