81529128

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7499}}^1$

素因数の和:7662

約数の個数: 48

約数和(自身を含む): 222300000

約数和(自身を除く): 140770872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 2718, 3624, 5436, 7499, 10872, 14998, 22497, 29996, 44994, 59992, 67491, 89988, 134982, 179976, 269964, 539928, 1132349, 2264698, 3397047, 4529396, 6794094, 9058792, 10191141, 13588188, 20382282, 27176376, 40764564, 81529128]

約数ペア:

[(1, 81529128), (2, 40764564), (3, 27176376), (4, 20382282), (6, 13588188), (8, 10191141), (9, 9058792), (12, 6794094), (18, 4529396), (24, 3397047), (36, 2264698), (72, 1132349), (151, 539928), (302, 269964), (453, 179976), (604, 134982), (906, 89988), (1208, 67491), (1359, 59992), (1812, 44994), (2718, 29996), (3624, 22497), (5436, 14998), (7499, 10872)]