68572720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9631}}^1$

素因数の和:9733

約数の個数: 40

約数和(自身を含む): 161239680

約数和(自身を除く): 92666960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 9631, 19262, 38524, 48155, 77048, 96310, 154096, 192620, 385240, 770480, 857159, 1714318, 3428636, 4285795, 6857272, 8571590, 13714544, 17143180, 34286360, 68572720]

約数ペア:

[(1, 68572720), (2, 34286360), (4, 17143180), (5, 13714544), (8, 8571590), (10, 6857272), (16, 4285795), (20, 3428636), (40, 1714318), (80, 857159), (89, 770480), (178, 385240), (356, 192620), (445, 154096), (712, 96310), (890, 77048), (1424, 48155), (1780, 38524), (3560, 19262), (7120, 9631)]