18157080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1823}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 37000680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1823, 1992, 2490, 3320, 3646, 4980, 5469, 7292, 9115, 9960, 10938, 14584, 18230, 21876, 27345, 36460, 43752, 54690, 72920, 109380, 151309, 218760, 302618, 453927, 605236, 756545, 907854, 1210472, 1513090, 1815708, 2269635, 3026180, 3631416, 4539270, 6052360, 9078540, 18157080]

約数ペア:

[(1, 18157080), (2, 9078540), (3, 6052360), (4, 4539270), (5, 3631416), (6, 3026180), (8, 2269635), (10, 1815708), (12, 1513090), (15, 1210472), (20, 907854), (24, 756545), (30, 605236), (40, 453927), (60, 302618), (83, 218760), (120, 151309), (166, 109380), (249, 72920), (332, 54690), (415, 43752), (498, 36460), (664, 27345), (830, 21876), (996, 18230), (1245, 14584), (1660, 10938), (1823, 9960), (1992, 9115), (2490, 7292), (3320, 5469), (3646, 4980)]