8229420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 25225200

約数和(自身を除く): 16995780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 349, 393, 524, 655, 698, 786, 1047, 1179, 1310, 1396, 1572, 1745, 1965, 2094, 2358, 2620, 3141, 3490, 3930, 4188, 4716, 5235, 5895, 6282, 6980, 7860, 10470, 11790, 12564, 15705, 20940, 23580, 31410, 45719, 62820, 91438, 137157, 182876, 228595, 274314, 411471, 457190, 548628, 685785, 822942, 914380, 1371570, 1645884, 2057355, 2743140, 4114710, 8229420]

約数ペア:

[(1, 8229420), (2, 4114710), (3, 2743140), (4, 2057355), (5, 1645884), (6, 1371570), (9, 914380), (10, 822942), (12, 685785), (15, 548628), (18, 457190), (20, 411471), (30, 274314), (36, 228595), (45, 182876), (60, 137157), (90, 91438), (131, 62820), (180, 45719), (262, 31410), (349, 23580), (393, 20940), (524, 15705), (655, 12564), (698, 11790), (786, 10470), (1047, 7860), (1179, 6980), (1310, 6282), (1396, 5895), (1572, 5235), (1745, 4716), (1965, 4188), (2094, 3930), (2358, 3490), (2620, 3141)]