1225560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1459}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 4204800

約数和(自身を除く): 2979240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1459, 2918, 4377, 5836, 7295, 8754, 10213, 11672, 14590, 17508, 20426, 21885, 29180, 30639, 35016, 40852, 43770, 51065, 58360, 61278, 81704, 87540, 102130, 122556, 153195, 175080, 204260, 245112, 306390, 408520, 612780, 1225560]

約数ペア:

[(1, 1225560), (2, 612780), (3, 408520), (4, 306390), (5, 245112), (6, 204260), (7, 175080), (8, 153195), (10, 122556), (12, 102130), (14, 87540), (15, 81704), (20, 61278), (21, 58360), (24, 51065), (28, 43770), (30, 40852), (35, 35016), (40, 30639), (42, 29180), (56, 21885), (60, 20426), (70, 17508), (84, 14590), (105, 11672), (120, 10213), (140, 8754), (168, 7295), (210, 5836), (280, 4377), (420, 2918), (840, 1459)]