81171360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56369}}^1$

素因数の和:56390

約数の個数: 72

約数和(自身を含む): 277002180

約数和(自身を除く): 195830820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56369, 112738, 169107, 225476, 281845, 338214, 450952, 507321, 563690, 676428, 845535, 901904, 1014642, 1127380, 1352856, 1691070, 1803808, 2029284, 2254760, 2536605, 2705712, 3382140, 4058568, 4509520, 5073210, 5411424, 6764280, 8117136, 9019040, 10146420, 13528560, 16234272, 20292840, 27057120, 40585680, 81171360]

約数ペア:

[(1, 81171360), (2, 40585680), (3, 27057120), (4, 20292840), (5, 16234272), (6, 13528560), (8, 10146420), (9, 9019040), (10, 8117136), (12, 6764280), (15, 5411424), (16, 5073210), (18, 4509520), (20, 4058568), (24, 3382140), (30, 2705712), (32, 2536605), (36, 2254760), (40, 2029284), (45, 1803808), (48, 1691070), (60, 1352856), (72, 1127380), (80, 1014642), (90, 901904), (96, 845535), (120, 676428), (144, 563690), (160, 507321), (180, 450952), (240, 338214), (288, 281845), (360, 225476), (480, 169107), (720, 112738), (1440, 56369)]