336840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 1157760

約数和(自身を除く): 820920

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, 401, 420, 802, 840, 1203, 1604, 2005, 2406, 2807, 3208, 4010, 4812, 5614, 6015, 8020, 8421, 9624, 11228, 12030, 14035, 16040, 16842, 22456, 24060, 28070, 33684, 42105, 48120, 56140, 67368, 84210, 112280, 168420, 336840]

約数ペア:

[(1, 336840), (2, 168420), (3, 112280), (4, 84210), (5, 67368), (6, 56140), (7, 48120), (8, 42105), (10, 33684), (12, 28070), (14, 24060), (15, 22456), (20, 16842), (21, 16040), (24, 14035), (28, 12030), (30, 11228), (35, 9624), (40, 8421), (42, 8020), (56, 6015), (60, 5614), (70, 4812), (84, 4010), (105, 3208), (120, 2807), (140, 2406), (168, 2005), (210, 1604), (280, 1203), (401, 840), (420, 802)]