81152750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 176117760

約数和(自身を除く): 94965010

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 79, 125, 158, 175, 250, 350, 395, 553, 587, 790, 875, 1106, 1174, 1750, 1975, 2765, 2935, 3950, 4109, 5530, 5870, 8218, 9875, 13825, 14675, 19750, 20545, 27650, 29350, 41090, 46373, 69125, 73375, 92746, 102725, 138250, 146750, 205450, 231865, 324611, 463730, 513625, 649222, 1027250, 1159325, 1623055, 2318650, 3246110, 5796625, 8115275, 11593250, 16230550, 40576375, 81152750]

約数ペア:

[(1, 81152750), (2, 40576375), (5, 16230550), (7, 11593250), (10, 8115275), (14, 5796625), (25, 3246110), (35, 2318650), (50, 1623055), (70, 1159325), (79, 1027250), (125, 649222), (158, 513625), (175, 463730), (250, 324611), (350, 231865), (395, 205450), (553, 146750), (587, 138250), (790, 102725), (875, 92746), (1106, 73375), (1174, 69125), (1750, 46373), (1975, 41090), (2765, 29350), (2935, 27650), (3950, 20545), (4109, 19750), (5530, 14675), (5870, 13825), (8218, 9875)]