81775140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1362919}}^1$

素因数の和:1362931

約数の個数: 24

約数和(自身を含む): 228970560

約数和(自身を除く): 147195420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1362919, 2725838, 4088757, 5451676, 6814595, 8177514, 13629190, 16355028, 20443785, 27258380, 40887570, 81775140]

約数ペア:

[(1, 81775140), (2, 40887570), (3, 27258380), (4, 20443785), (5, 16355028), (6, 13629190), (10, 8177514), (12, 6814595), (15, 5451676), (20, 4088757), (30, 2725838), (60, 1362919)]