61221000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{20407}}^1$

素因数の和:20431

約数の個数: 64

約数和(自身を含む): 191018880

約数和(自身を除く): 129797880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 20407, 40814, 61221, 81628, 102035, 122442, 163256, 204070, 244884, 306105, 408140, 489768, 510175, 612210, 816280, 1020350, 1224420, 1530525, 2040700, 2448840, 2550875, 3061050, 4081400, 5101750, 6122100, 7652625, 10203500, 12244200, 15305250, 20407000, 30610500, 61221000]

約数ペア:

[(1, 61221000), (2, 30610500), (3, 20407000), (4, 15305250), (5, 12244200), (6, 10203500), (8, 7652625), (10, 6122100), (12, 5101750), (15, 4081400), (20, 3061050), (24, 2550875), (25, 2448840), (30, 2040700), (40, 1530525), (50, 1224420), (60, 1020350), (75, 816280), (100, 612210), (120, 510175), (125, 489768), (150, 408140), (200, 306105), (250, 244884), (300, 204070), (375, 163256), (500, 122442), (600, 102035), (750, 81628), (1000, 61221), (1500, 40814), (3000, 20407)]