81163530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{128831}}^1$

素因数の和:128851

約数の個数: 48

約数和(自身を含む): 241173504

約数和(自身を除く): 160009974

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 128831, 257662, 386493, 644155, 772986, 901817, 1159479, 1288310, 1803634, 1932465, 2318958, 2705451, 3864930, 4509085, 5410902, 5797395, 8116353, 9018170, 11594790, 13527255, 16232706, 27054510, 40581765, 81163530]

約数ペア:

[(1, 81163530), (2, 40581765), (3, 27054510), (5, 16232706), (6, 13527255), (7, 11594790), (9, 9018170), (10, 8116353), (14, 5797395), (15, 5410902), (18, 4509085), (21, 3864930), (30, 2705451), (35, 2318958), (42, 1932465), (45, 1803634), (63, 1288310), (70, 1159479), (90, 901817), (105, 772986), (126, 644155), (210, 386493), (315, 257662), (630, 128831)]