1781340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2699}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3661860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 2699, 5398, 8097, 10796, 13495, 16194, 26990, 29689, 32388, 40485, 53980, 59378, 80970, 89067, 118756, 148445, 161940, 178134, 296890, 356268, 445335, 593780, 890670, 1781340]

約数ペア:

[(1, 1781340), (2, 890670), (3, 593780), (4, 445335), (5, 356268), (6, 296890), (10, 178134), (11, 161940), (12, 148445), (15, 118756), (20, 89067), (22, 80970), (30, 59378), (33, 53980), (44, 40485), (55, 32388), (60, 29689), (66, 26990), (110, 16194), (132, 13495), (165, 10796), (220, 8097), (330, 5398), (660, 2699)]