27784980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{947}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 84887712

約数和(自身を除く): 57102732

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, 947, 978, 1467, 1630, 1894, 1956, 2445, 2841, 2934, 3260, 3788, 4735, 4890, 5682, 5868, 7335, 8523, 9470, 9780, 11364, 14205, 14670, 17046, 18940, 28410, 29340, 34092, 42615, 56820, 85230, 154361, 170460, 308722, 463083, 617444, 771805, 926166, 1389249, 1543610, 1852332, 2315415, 2778498, 3087220, 4630830, 5556996, 6946245, 9261660, 13892490, 27784980]

約数ペア:

[(1, 27784980), (2, 13892490), (3, 9261660), (4, 6946245), (5, 5556996), (6, 4630830), (9, 3087220), (10, 2778498), (12, 2315415), (15, 1852332), (18, 1543610), (20, 1389249), (30, 926166), (36, 771805), (45, 617444), (60, 463083), (90, 308722), (163, 170460), (180, 154361), (326, 85230), (489, 56820), (652, 42615), (815, 34092), (947, 29340), (978, 28410), (1467, 18940), (1630, 17046), (1894, 14670), (1956, 14205), (2445, 11364), (2841, 9780), (2934, 9470), (3260, 8523), (3788, 7335), (4735, 5868), (4890, 5682)]