261500304

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7907}}^1$

素因数の和:7984

約数の個数: 80

約数和(自身を含む): 741327552

約数和(自身を除く): 479827248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 78, 104, 106, 156, 159, 208, 212, 312, 318, 424, 624, 636, 689, 848, 1272, 1378, 2067, 2544, 2756, 4134, 5512, 7907, 8268, 11024, 15814, 16536, 23721, 31628, 33072, 47442, 63256, 94884, 102791, 126512, 189768, 205582, 308373, 379536, 411164, 419071, 616746, 822328, 838142, 1233492, 1257213, 1644656, 1676284, 2466984, 2514426, 3352568, 4933968, 5028852, 5447923, 6705136, 10057704, 10895846, 16343769, 20115408, 21791692, 32687538, 43583384, 65375076, 87166768, 130750152, 261500304]

約数ペア:

[(1, 261500304), (2, 130750152), (3, 87166768), (4, 65375076), (6, 43583384), (8, 32687538), (12, 21791692), (13, 20115408), (16, 16343769), (24, 10895846), (26, 10057704), (39, 6705136), (48, 5447923), (52, 5028852), (53, 4933968), (78, 3352568), (104, 2514426), (106, 2466984), (156, 1676284), (159, 1644656), (208, 1257213), (212, 1233492), (312, 838142), (318, 822328), (424, 616746), (624, 419071), (636, 411164), (689, 379536), (848, 308373), (1272, 205582), (1378, 189768), (2067, 126512), (2544, 102791), (2756, 94884), (4134, 63256), (5512, 47442), (7907, 33072), (8268, 31628), (11024, 23721), (15814, 16536)]