19725360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82189}}^1$

素因数の和:82205

約数の個数: 40

約数和(自身を含む): 61149360

約数和(自身を除く): 41424000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82189, 164378, 246567, 328756, 410945, 493134, 657512, 821890, 986268, 1232835, 1315024, 1643780, 1972536, 2465670, 3287560, 3945072, 4931340, 6575120, 9862680, 19725360]

約数ペア:

[(1, 19725360), (2, 9862680), (3, 6575120), (4, 4931340), (5, 3945072), (6, 3287560), (8, 2465670), (10, 1972536), (12, 1643780), (15, 1315024), (16, 1232835), (20, 986268), (24, 821890), (30, 657512), (40, 493134), (48, 410945), (60, 328756), (80, 246567), (120, 164378), (240, 82189)]