81404544

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:762

約数の個数: 128

約数和(自身を含む): 243331200

約数和(自身を除く): 161926656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 92, 96, 104, 128, 138, 156, 184, 192, 208, 276, 299, 312, 368, 384, 416, 552, 598, 624, 709, 736, 832, 897, 1104, 1196, 1248, 1418, 1472, 1664, 1794, 2127, 2208, 2392, 2496, 2836, 2944, 3588, 4254, 4416, 4784, 4992, 5672, 7176, 8508, 8832, 9217, 9568, 11344, 14352, 16307, 17016, 18434, 19136, 22688, 27651, 28704, 32614, 34032, 36868, 38272, 45376, 48921, 55302, 57408, 65228, 68064, 73736, 90752, 97842, 110604, 114816, 130456, 136128, 147472, 195684, 211991, 221208, 260912, 272256, 294944, 391368, 423982, 442416, 521824, 589888, 635973, 782736, 847964, 884832, 1043648, 1179776, 1271946, 1565472, 1695928, 1769664, 2087296, 2543892, 3130944, 3391856, 3539328, 5087784, 6261888, 6783712, 10175568, 13567424, 20351136, 27134848, 40702272, 81404544]

約数ペア:

[(1, 81404544), (2, 40702272), (3, 27134848), (4, 20351136), (6, 13567424), (8, 10175568), (12, 6783712), (13, 6261888), (16, 5087784), (23, 3539328), (24, 3391856), (26, 3130944), (32, 2543892), (39, 2087296), (46, 1769664), (48, 1695928), (52, 1565472), (64, 1271946), (69, 1179776), (78, 1043648), (92, 884832), (96, 847964), (104, 782736), (128, 635973), (138, 589888), (156, 521824), (184, 442416), (192, 423982), (208, 391368), (276, 294944), (299, 272256), (312, 260912), (368, 221208), (384, 211991), (416, 195684), (552, 147472), (598, 136128), (624, 130456), (709, 114816), (736, 110604), (832, 97842), (897, 90752), (1104, 73736), (1196, 68064), (1248, 65228), (1418, 57408), (1472, 55302), (1664, 48921), (1794, 45376), (2127, 38272), (2208, 36868), (2392, 34032), (2496, 32614), (2836, 28704), (2944, 27651), (3588, 22688), (4254, 19136), (4416, 18434), (4784, 17016), (4992, 16307), (5672, 14352), (7176, 11344), (8508, 9568), (8832, 9217)]