81647040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{85049}}^1$

素因数の和:85069

約数の個数: 56

約数和(自身を含む): 259232400

約数和(自身を除く): 177585360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 85049, 170098, 255147, 340196, 425245, 510294, 680392, 850490, 1020588, 1275735, 1360784, 1700980, 2041176, 2551470, 2721568, 3401960, 4082352, 5102940, 5443136, 6803920, 8164704, 10205880, 13607840, 16329408, 20411760, 27215680, 40823520, 81647040]

約数ペア:

[(1, 81647040), (2, 40823520), (3, 27215680), (4, 20411760), (5, 16329408), (6, 13607840), (8, 10205880), (10, 8164704), (12, 6803920), (15, 5443136), (16, 5102940), (20, 4082352), (24, 3401960), (30, 2721568), (32, 2551470), (40, 2041176), (48, 1700980), (60, 1360784), (64, 1275735), (80, 1020588), (96, 850490), (120, 680392), (160, 510294), (192, 425245), (240, 340196), (320, 255147), (480, 170098), (960, 85049)]