81387696

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 232366080

約数和(自身を除く): 150978384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 79, 104, 127, 156, 158, 169, 208, 237, 254, 312, 316, 338, 381, 474, 507, 508, 624, 632, 676, 762, 948, 1014, 1016, 1027, 1264, 1352, 1524, 1651, 1896, 2028, 2032, 2054, 2704, 3048, 3081, 3302, 3792, 4056, 4108, 4953, 6096, 6162, 6604, 8112, 8216, 9906, 10033, 12324, 13208, 13351, 16432, 19812, 20066, 21463, 24648, 26416, 26702, 30099, 39624, 40053, 40132, 42926, 49296, 53404, 60198, 64389, 79248, 80106, 80264, 85852, 106808, 120396, 128778, 130429, 160212, 160528, 171704, 213616, 240792, 257556, 260858, 320424, 343408, 391287, 481584, 515112, 521716, 640848, 782574, 1030224, 1043432, 1565148, 1695577, 2086864, 3130296, 3391154, 5086731, 6260592, 6782308, 10173462, 13564616, 20346924, 27129232, 40693848, 81387696]

約数ペア:

[(1, 81387696), (2, 40693848), (3, 27129232), (4, 20346924), (6, 13564616), (8, 10173462), (12, 6782308), (13, 6260592), (16, 5086731), (24, 3391154), (26, 3130296), (39, 2086864), (48, 1695577), (52, 1565148), (78, 1043432), (79, 1030224), (104, 782574), (127, 640848), (156, 521716), (158, 515112), (169, 481584), (208, 391287), (237, 343408), (254, 320424), (312, 260858), (316, 257556), (338, 240792), (381, 213616), (474, 171704), (507, 160528), (508, 160212), (624, 130429), (632, 128778), (676, 120396), (762, 106808), (948, 85852), (1014, 80264), (1016, 80106), (1027, 79248), (1264, 64389), (1352, 60198), (1524, 53404), (1651, 49296), (1896, 42926), (2028, 40132), (2032, 40053), (2054, 39624), (2704, 30099), (3048, 26702), (3081, 26416), (3302, 24648), (3792, 21463), (4056, 20066), (4108, 19812), (4953, 16432), (6096, 13351), (6162, 13208), (6604, 12324), (8112, 10033), (8216, 9906)]