315060920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1103}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 732481920

約数和(自身を除く): 417421000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 296, 370, 386, 740, 772, 965, 1103, 1480, 1544, 1930, 2206, 3860, 4412, 5515, 7141, 7720, 8824, 11030, 14282, 22060, 28564, 35705, 40811, 44120, 57128, 71410, 81622, 142820, 163244, 204055, 212879, 285640, 326488, 408110, 425758, 816220, 851516, 1064395, 1632440, 1703032, 2128790, 4257580, 7876523, 8515160, 15753046, 31506092, 39382615, 63012184, 78765230, 157530460, 315060920]

約数ペア:

[(1, 315060920), (2, 157530460), (4, 78765230), (5, 63012184), (8, 39382615), (10, 31506092), (20, 15753046), (37, 8515160), (40, 7876523), (74, 4257580), (148, 2128790), (185, 1703032), (193, 1632440), (296, 1064395), (370, 851516), (386, 816220), (740, 425758), (772, 408110), (965, 326488), (1103, 285640), (1480, 212879), (1544, 204055), (1930, 163244), (2206, 142820), (3860, 81622), (4412, 71410), (5515, 57128), (7141, 44120), (7720, 40811), (8824, 35705), (11030, 28564), (14282, 22060)]