81936120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4241}}^1$

素因数の和:4285

約数の個数: 128

約数和(自身を含む): 293207040

約数和(自身を除く): 211270920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4241, 4830, 6440, 8482, 9660, 12723, 16964, 19320, 21205, 25446, 29687, 33928, 42410, 50892, 59374, 63615, 84820, 89061, 97543, 101784, 118748, 127230, 148435, 169640, 178122, 195086, 237496, 254460, 292629, 296870, 356244, 390172, 445305, 487715, 508920, 585258, 593740, 682801, 712488, 780344, 890610, 975430, 1170516, 1187480, 1365602, 1463145, 1781220, 1950860, 2048403, 2341032, 2731204, 2926290, 3414005, 3562440, 3901720, 4096806, 5462408, 5852580, 6828010, 8193612, 10242015, 11705160, 13656020, 16387224, 20484030, 27312040, 40968060, 81936120]

約数ペア:

[(1, 81936120), (2, 40968060), (3, 27312040), (4, 20484030), (5, 16387224), (6, 13656020), (7, 11705160), (8, 10242015), (10, 8193612), (12, 6828010), (14, 5852580), (15, 5462408), (20, 4096806), (21, 3901720), (23, 3562440), (24, 3414005), (28, 2926290), (30, 2731204), (35, 2341032), (40, 2048403), (42, 1950860), (46, 1781220), (56, 1463145), (60, 1365602), (69, 1187480), (70, 1170516), (84, 975430), (92, 890610), (105, 780344), (115, 712488), (120, 682801), (138, 593740), (140, 585258), (161, 508920), (168, 487715), (184, 445305), (210, 390172), (230, 356244), (276, 296870), (280, 292629), (322, 254460), (345, 237496), (420, 195086), (460, 178122), (483, 169640), (552, 148435), (644, 127230), (690, 118748), (805, 101784), (840, 97543), (920, 89061), (966, 84820), (1288, 63615), (1380, 59374), (1610, 50892), (1932, 42410), (2415, 33928), (2760, 29687), (3220, 25446), (3864, 21205), (4241, 19320), (4830, 16964), (6440, 12723), (8482, 9660)]