61720740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18047}}^1$

素因数の和:18081

約数の個数: 72

約数和(自身を含む): 197084160

約数和(自身を除く): 135363420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 18047, 36094, 54141, 72188, 90235, 108282, 162423, 180470, 216564, 270705, 324846, 342893, 360940, 541410, 649692, 685786, 812115, 1028679, 1082820, 1371572, 1624230, 1714465, 2057358, 3086037, 3248460, 3428930, 4114716, 5143395, 6172074, 6857860, 10286790, 12344148, 15430185, 20573580, 30860370, 61720740]

約数ペア:

[(1, 61720740), (2, 30860370), (3, 20573580), (4, 15430185), (5, 12344148), (6, 10286790), (9, 6857860), (10, 6172074), (12, 5143395), (15, 4114716), (18, 3428930), (19, 3248460), (20, 3086037), (30, 2057358), (36, 1714465), (38, 1624230), (45, 1371572), (57, 1082820), (60, 1028679), (76, 812115), (90, 685786), (95, 649692), (114, 541410), (171, 360940), (180, 342893), (190, 324846), (228, 270705), (285, 216564), (342, 180470), (380, 162423), (570, 108282), (684, 90235), (855, 72188), (1140, 54141), (1710, 36094), (3420, 18047)]