81016920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 264513600

約数和(自身を除く): 183496680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 313, 360, 626, 719, 939, 1252, 1438, 1565, 1878, 2157, 2504, 2817, 2876, 3130, 3595, 3756, 4314, 4695, 5634, 5752, 6260, 6471, 7190, 7512, 8628, 9390, 10785, 11268, 12520, 12942, 14085, 14380, 17256, 18780, 21570, 22536, 25884, 28170, 28760, 32355, 37560, 43140, 51768, 56340, 64710, 86280, 112680, 129420, 225047, 258840, 450094, 675141, 900188, 1125235, 1350282, 1800376, 2025423, 2250470, 2700564, 3375705, 4050846, 4500940, 5401128, 6751410, 8101692, 9001880, 10127115, 13502820, 16203384, 20254230, 27005640, 40508460, 81016920]

約数ペア:

[(1, 81016920), (2, 40508460), (3, 27005640), (4, 20254230), (5, 16203384), (6, 13502820), (8, 10127115), (9, 9001880), (10, 8101692), (12, 6751410), (15, 5401128), (18, 4500940), (20, 4050846), (24, 3375705), (30, 2700564), (36, 2250470), (40, 2025423), (45, 1800376), (60, 1350282), (72, 1125235), (90, 900188), (120, 675141), (180, 450094), (313, 258840), (360, 225047), (626, 129420), (719, 112680), (939, 86280), (1252, 64710), (1438, 56340), (1565, 51768), (1878, 43140), (2157, 37560), (2504, 32355), (2817, 28760), (2876, 28170), (3130, 25884), (3595, 22536), (3756, 21570), (4314, 18780), (4695, 17256), (5634, 14380), (5752, 14085), (6260, 12942), (6471, 12520), (7190, 11268), (7512, 10785), (8628, 9390)]