389280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{811}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 1227744

約数和(自身を除く): 838464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 811, 1622, 2433, 3244, 4055, 4866, 6488, 8110, 9732, 12165, 12976, 16220, 19464, 24330, 25952, 32440, 38928, 48660, 64880, 77856, 97320, 129760, 194640, 389280]

約数ペア:

[(1, 389280), (2, 194640), (3, 129760), (4, 97320), (5, 77856), (6, 64880), (8, 48660), (10, 38928), (12, 32440), (15, 25952), (16, 24330), (20, 19464), (24, 16220), (30, 12976), (32, 12165), (40, 9732), (48, 8110), (60, 6488), (80, 4866), (96, 4055), (120, 3244), (160, 2433), (240, 1622), (480, 811)]