168420

素因数分解:

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

素因数の和:420

約数の個数: 48

約数和(自身を含む): 540288

約数和(自身を除く): 371868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 401, 420, 802, 1203, 1604, 2005, 2406, 2807, 4010, 4812, 5614, 6015, 8020, 8421, 11228, 12030, 14035, 16842, 24060, 28070, 33684, 42105, 56140, 84210, 168420]

約数ペア:

[(1, 168420), (2, 84210), (3, 56140), (4, 42105), (5, 33684), (6, 28070), (7, 24060), (10, 16842), (12, 14035), (14, 12030), (15, 11228), (20, 8421), (21, 8020), (28, 6015), (30, 5614), (35, 4812), (42, 4010), (60, 2807), (70, 2406), (84, 2005), (105, 1604), (140, 1203), (210, 802), (401, 420)]