81345888

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21727}}^1$

素因数の和:21756

約数の個数: 72

約数和(自身を含む): 249133248

約数和(自身を除く): 167787360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 21727, 43454, 65181, 86908, 130362, 173816, 195543, 260724, 282451, 347632, 391086, 521448, 564902, 695264, 782172, 847353, 1042896, 1129804, 1564344, 1694706, 2085792, 2259608, 2542059, 3128688, 3389412, 4519216, 5084118, 6257376, 6778824, 9038432, 10168236, 13557648, 20336472, 27115296, 40672944, 81345888]

約数ペア:

[(1, 81345888), (2, 40672944), (3, 27115296), (4, 20336472), (6, 13557648), (8, 10168236), (9, 9038432), (12, 6778824), (13, 6257376), (16, 5084118), (18, 4519216), (24, 3389412), (26, 3128688), (32, 2542059), (36, 2259608), (39, 2085792), (48, 1694706), (52, 1564344), (72, 1129804), (78, 1042896), (96, 847353), (104, 782172), (117, 695264), (144, 564902), (156, 521448), (208, 391086), (234, 347632), (288, 282451), (312, 260724), (416, 195543), (468, 173816), (624, 130362), (936, 86908), (1248, 65181), (1872, 43454), (3744, 21727)]