42720090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{203429}}^1$

素因数の和:203446

約数の個数: 32

約数和(自身を含む): 117175680

約数和(自身を除く): 74455590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 203429, 406858, 610287, 1017145, 1220574, 1424003, 2034290, 2848006, 3051435, 4272009, 6102870, 7120015, 8544018, 14240030, 21360045, 42720090]

約数ペア:

[(1, 42720090), (2, 21360045), (3, 14240030), (5, 8544018), (6, 7120015), (7, 6102870), (10, 4272009), (14, 3051435), (15, 2848006), (21, 2034290), (30, 1424003), (35, 1220574), (42, 1017145), (70, 610287), (105, 406858), (210, 203429)]