2000405520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{2778341}}^1$

素因数の和:2778360

約数の個数: 60

約数和(自身を含む): 6718030956

約数和(自身を除く): 4717625436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 2778341, 5556682, 8335023, 11113364, 13891705, 16670046, 22226728, 25005069, 27783410, 33340092, 41675115, 44453456, 50010138, 55566820, 66680184, 83350230, 100020276, 111133640, 125025345, 133360368, 166700460, 200040552, 222267280, 250050690, 333400920, 400081104, 500101380, 666801840, 1000202760, 2000405520]

約数ペア:

[(1, 2000405520), (2, 1000202760), (3, 666801840), (4, 500101380), (5, 400081104), (6, 333400920), (8, 250050690), (9, 222267280), (10, 200040552), (12, 166700460), (15, 133360368), (16, 125025345), (18, 111133640), (20, 100020276), (24, 83350230), (30, 66680184), (36, 55566820), (40, 50010138), (45, 44453456), (48, 41675115), (60, 33340092), (72, 27783410), (80, 25005069), (90, 22226728), (120, 16670046), (144, 13891705), (180, 11113364), (240, 8335023), (360, 5556682), (720, 2778341)]