90756820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8419}}^1$

素因数の和:8453

約数の個数: 72

約数和(自身を含む): 241889760

約数和(自身を除く): 151132940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 8419, 10780, 16838, 33676, 42095, 58933, 84190, 92609, 117866, 168380, 185218, 235732, 294665, 370436, 412531, 463045, 589330, 648263, 825062, 926090, 1178660, 1296526, 1650124, 1852180, 2062655, 2593052, 3241315, 4125310, 4537841, 6482630, 8250620, 9075682, 12965260, 18151364, 22689205, 45378410, 90756820]

約数ペア:

[(1, 90756820), (2, 45378410), (4, 22689205), (5, 18151364), (7, 12965260), (10, 9075682), (11, 8250620), (14, 6482630), (20, 4537841), (22, 4125310), (28, 3241315), (35, 2593052), (44, 2062655), (49, 1852180), (55, 1650124), (70, 1296526), (77, 1178660), (98, 926090), (110, 825062), (140, 648263), (154, 589330), (196, 463045), (220, 412531), (245, 370436), (308, 294665), (385, 235732), (490, 185218), (539, 168380), (770, 117866), (980, 92609), (1078, 84190), (1540, 58933), (2156, 42095), (2695, 33676), (5390, 16838), (8419, 10780)]