54777780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1867}}^1$

素因数の和:2045

約数の個数: 72

約数和(自身を含む): 167268192

約数和(自身を除く): 112490412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1867, 1956, 2445, 2934, 3260, 3734, 4890, 5601, 5868, 7335, 7468, 9335, 9780, 11202, 14670, 16803, 18670, 22404, 28005, 29340, 33606, 37340, 56010, 67212, 84015, 112020, 168030, 304321, 336060, 608642, 912963, 1217284, 1521605, 1825926, 2738889, 3043210, 3651852, 4564815, 5477778, 6086420, 9129630, 10955556, 13694445, 18259260, 27388890, 54777780]

約数ペア:

[(1, 54777780), (2, 27388890), (3, 18259260), (4, 13694445), (5, 10955556), (6, 9129630), (9, 6086420), (10, 5477778), (12, 4564815), (15, 3651852), (18, 3043210), (20, 2738889), (30, 1825926), (36, 1521605), (45, 1217284), (60, 912963), (90, 608642), (163, 336060), (180, 304321), (326, 168030), (489, 112020), (652, 84015), (815, 67212), (978, 56010), (1467, 37340), (1630, 33606), (1867, 29340), (1956, 28005), (2445, 22404), (2934, 18670), (3260, 16803), (3734, 14670), (4890, 11202), (5601, 9780), (5868, 9335), (7335, 7468)]