261774408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1831}}^1$

素因数の和:1907

約数の個数: 128

約数和(自身を含む): 801976320

約数和(自身を除く): 540201912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 37, 42, 46, 56, 69, 74, 84, 92, 111, 138, 148, 161, 168, 184, 222, 259, 276, 296, 322, 444, 483, 518, 552, 644, 777, 851, 888, 966, 1036, 1288, 1554, 1702, 1831, 1932, 2072, 2553, 3108, 3404, 3662, 3864, 5106, 5493, 5957, 6216, 6808, 7324, 10212, 10986, 11914, 12817, 14648, 17871, 20424, 21972, 23828, 25634, 35742, 38451, 42113, 43944, 47656, 51268, 67747, 71484, 76902, 84226, 102536, 126339, 135494, 142968, 153804, 168452, 203241, 252678, 270988, 294791, 307608, 336904, 406482, 474229, 505356, 541976, 589582, 812964, 884373, 948458, 1010712, 1179164, 1422687, 1558181, 1625928, 1768746, 1896916, 2358328, 2845374, 3116362, 3537492, 3793832, 4674543, 5690748, 6232724, 7074984, 9349086, 10907267, 11381496, 12465448, 18698172, 21814534, 32721801, 37396344, 43629068, 65443602, 87258136, 130887204, 261774408]

約数ペア:

[(1, 261774408), (2, 130887204), (3, 87258136), (4, 65443602), (6, 43629068), (7, 37396344), (8, 32721801), (12, 21814534), (14, 18698172), (21, 12465448), (23, 11381496), (24, 10907267), (28, 9349086), (37, 7074984), (42, 6232724), (46, 5690748), (56, 4674543), (69, 3793832), (74, 3537492), (84, 3116362), (92, 2845374), (111, 2358328), (138, 1896916), (148, 1768746), (161, 1625928), (168, 1558181), (184, 1422687), (222, 1179164), (259, 1010712), (276, 948458), (296, 884373), (322, 812964), (444, 589582), (483, 541976), (518, 505356), (552, 474229), (644, 406482), (777, 336904), (851, 307608), (888, 294791), (966, 270988), (1036, 252678), (1288, 203241), (1554, 168452), (1702, 153804), (1831, 142968), (1932, 135494), (2072, 126339), (2553, 102536), (3108, 84226), (3404, 76902), (3662, 71484), (3864, 67747), (5106, 51268), (5493, 47656), (5957, 43944), (6216, 42113), (6808, 38451), (7324, 35742), (10212, 25634), (10986, 23828), (11914, 21972), (12817, 20424), (14648, 17871)]