81524100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{38821}}^1$

素因数の和:38845

約数の個数: 72

約数和(自身を含む): 269579968

約数和(自身を除く): 188055868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 38821, 77642, 116463, 155284, 194105, 232926, 271747, 388210, 465852, 543494, 582315, 776420, 815241, 970525, 1086988, 1164630, 1358735, 1630482, 1941050, 2329260, 2717470, 2911575, 3260964, 3882100, 4076205, 5434940, 5823150, 6793675, 8152410, 11646300, 13587350, 16304820, 20381025, 27174700, 40762050, 81524100]

約数ペア:

[(1, 81524100), (2, 40762050), (3, 27174700), (4, 20381025), (5, 16304820), (6, 13587350), (7, 11646300), (10, 8152410), (12, 6793675), (14, 5823150), (15, 5434940), (20, 4076205), (21, 3882100), (25, 3260964), (28, 2911575), (30, 2717470), (35, 2329260), (42, 1941050), (50, 1630482), (60, 1358735), (70, 1164630), (75, 1086988), (84, 970525), (100, 815241), (105, 776420), (140, 582315), (150, 543494), (175, 465852), (210, 388210), (300, 271747), (350, 232926), (420, 194105), (525, 155284), (700, 116463), (1050, 77642), (2100, 38821)]