64355375

素因数分解:

$5^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 99840000

約数和(自身を除く): 35484625

約数列:

[1, 5, 7, 19, 25, 35, 49, 79, 95, 125, 133, 175, 245, 343, 395, 475, 553, 665, 875, 931, 1225, 1501, 1715, 1975, 2375, 2765, 3325, 3871, 4655, 6125, 6517, 7505, 8575, 9875, 10507, 13825, 16625, 19355, 23275, 27097, 32585, 37525, 42875, 52535, 69125, 73549, 96775, 116375, 135485, 162925, 187625, 262675, 367745, 483875, 514843, 677425, 814625, 1313375, 1838725, 2574215, 3387125, 9193625, 12871075, 64355375]

約数ペア:

[(1, 64355375), (5, 12871075), (7, 9193625), (19, 3387125), (25, 2574215), (35, 1838725), (49, 1313375), (79, 814625), (95, 677425), (125, 514843), (133, 483875), (175, 367745), (245, 262675), (343, 187625), (395, 162925), (475, 135485), (553, 116375), (665, 96775), (875, 73549), (931, 69125), (1225, 52535), (1501, 42875), (1715, 37525), (1975, 32585), (2375, 27097), (2765, 23275), (3325, 19355), (3871, 16625), (4655, 13825), (6125, 10507), (6517, 9875), (7505, 8575)]