68506480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1814

約数の個数: 80

約数和(自身を含む): 184702464

約数和(自身を除く): 116195984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1723, 1988, 2485, 2840, 3446, 3976, 4970, 5680, 6892, 7952, 8615, 9940, 12061, 13784, 17230, 19880, 24122, 27568, 34460, 39760, 48244, 60305, 68920, 96488, 120610, 122333, 137840, 192976, 241220, 244666, 482440, 489332, 611665, 856331, 964880, 978664, 1223330, 1712662, 1957328, 2446660, 3425324, 4281655, 4893320, 6850648, 8563310, 9786640, 13701296, 17126620, 34253240, 68506480]

約数ペア:

[(1, 68506480), (2, 34253240), (4, 17126620), (5, 13701296), (7, 9786640), (8, 8563310), (10, 6850648), (14, 4893320), (16, 4281655), (20, 3425324), (28, 2446660), (35, 1957328), (40, 1712662), (56, 1223330), (70, 978664), (71, 964880), (80, 856331), (112, 611665), (140, 489332), (142, 482440), (280, 244666), (284, 241220), (355, 192976), (497, 137840), (560, 122333), (568, 120610), (710, 96488), (994, 68920), (1136, 60305), (1420, 48244), (1723, 39760), (1988, 34460), (2485, 27568), (2840, 24122), (3446, 19880), (3976, 17230), (4970, 13784), (5680, 12061), (6892, 9940), (7952, 8615)]