405000900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{450001}}^1$

素因数の和:450021

約数の個数: 54

約数和(自身を含む): 1269455642

約数和(自身を除く): 864454742

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 450001, 900002, 1350003, 1800004, 2250005, 2700006, 4050009, 4500010, 5400012, 6750015, 8100018, 9000020, 11250025, 13500030, 16200036, 20250045, 22500050, 27000060, 33750075, 40500090, 45000100, 67500150, 81000180, 101250225, 135000300, 202500450, 405000900]

約数ペア:

[(1, 405000900), (2, 202500450), (3, 135000300), (4, 101250225), (5, 81000180), (6, 67500150), (9, 45000100), (10, 40500090), (12, 33750075), (15, 27000060), (18, 22500050), (20, 20250045), (25, 16200036), (30, 13500030), (36, 11250025), (45, 9000020), (50, 8100018), (60, 6750015), (75, 5400012), (90, 4500010), (100, 4050009), (150, 2700006), (180, 2250005), (225, 1800004), (300, 1350003), (450, 900002), (900, 450001)]