1821000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{607}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 5690880

約数和(自身を除く): 3869880

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, 607, 750, 1000, 1214, 1500, 1821, 2428, 3000, 3035, 3642, 4856, 6070, 7284, 9105, 12140, 14568, 15175, 18210, 24280, 30350, 36420, 45525, 60700, 72840, 75875, 91050, 121400, 151750, 182100, 227625, 303500, 364200, 455250, 607000, 910500, 1821000]

約数ペア:

[(1, 1821000), (2, 910500), (3, 607000), (4, 455250), (5, 364200), (6, 303500), (8, 227625), (10, 182100), (12, 151750), (15, 121400), (20, 91050), (24, 75875), (25, 72840), (30, 60700), (40, 45525), (50, 36420), (60, 30350), (75, 24280), (100, 18210), (120, 15175), (125, 14568), (150, 12140), (200, 9105), (250, 7284), (300, 6070), (375, 4856), (500, 3642), (600, 3035), (607, 3000), (750, 2428), (1000, 1821), (1214, 1500)]