1263000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{421}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 3949920

約数和(自身を除く): 2686920

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, 421, 500, 600, 750, 842, 1000, 1263, 1500, 1684, 2105, 2526, 3000, 3368, 4210, 5052, 6315, 8420, 10104, 10525, 12630, 16840, 21050, 25260, 31575, 42100, 50520, 52625, 63150, 84200, 105250, 126300, 157875, 210500, 252600, 315750, 421000, 631500, 1263000]

約数ペア:

[(1, 1263000), (2, 631500), (3, 421000), (4, 315750), (5, 252600), (6, 210500), (8, 157875), (10, 126300), (12, 105250), (15, 84200), (20, 63150), (24, 52625), (25, 50520), (30, 42100), (40, 31575), (50, 25260), (60, 21050), (75, 16840), (100, 12630), (120, 10525), (125, 10104), (150, 8420), (200, 6315), (250, 5052), (300, 4210), (375, 3368), (421, 3000), (500, 2526), (600, 2105), (750, 1684), (842, 1500), (1000, 1263)]