8268660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 25474176

約数和(自身を除く): 17205516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 647, 710, 852, 1065, 1278, 1294, 1420, 1941, 2130, 2556, 2588, 3195, 3235, 3882, 4260, 5823, 6390, 6470, 7764, 9705, 11646, 12780, 12940, 19410, 23292, 29115, 38820, 45937, 58230, 91874, 116460, 137811, 183748, 229685, 275622, 413433, 459370, 551244, 689055, 826866, 918740, 1378110, 1653732, 2067165, 2756220, 4134330, 8268660]

約数ペア:

[(1, 8268660), (2, 4134330), (3, 2756220), (4, 2067165), (5, 1653732), (6, 1378110), (9, 918740), (10, 826866), (12, 689055), (15, 551244), (18, 459370), (20, 413433), (30, 275622), (36, 229685), (45, 183748), (60, 137811), (71, 116460), (90, 91874), (142, 58230), (180, 45937), (213, 38820), (284, 29115), (355, 23292), (426, 19410), (639, 12940), (647, 12780), (710, 11646), (852, 9705), (1065, 7764), (1278, 6470), (1294, 6390), (1420, 5823), (1941, 4260), (2130, 3882), (2556, 3235), (2588, 3195)]