81538512

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 120

約数和(自身を含む): 235505760

約数和(自身を除く): 153967248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 101, 121, 132, 139, 176, 202, 242, 264, 278, 303, 363, 404, 417, 484, 528, 556, 606, 726, 808, 834, 968, 1111, 1112, 1212, 1452, 1529, 1616, 1668, 1936, 2222, 2224, 2424, 2904, 3058, 3333, 3336, 4444, 4587, 4848, 5808, 6116, 6666, 6672, 8888, 9174, 12221, 12232, 13332, 14039, 16819, 17776, 18348, 24442, 24464, 26664, 28078, 33638, 36663, 36696, 42117, 48884, 50457, 53328, 56156, 67276, 73326, 73392, 84234, 97768, 100914, 112312, 134552, 146652, 154429, 168468, 195536, 201828, 224624, 269104, 293304, 308858, 336936, 403656, 463287, 586608, 617716, 673872, 807312, 926574, 1235432, 1698719, 1853148, 2470864, 3397438, 3706296, 5096157, 6794876, 7412592, 10192314, 13589752, 20384628, 27179504, 40769256, 81538512]

約数ペア:

[(1, 81538512), (2, 40769256), (3, 27179504), (4, 20384628), (6, 13589752), (8, 10192314), (11, 7412592), (12, 6794876), (16, 5096157), (22, 3706296), (24, 3397438), (33, 2470864), (44, 1853148), (48, 1698719), (66, 1235432), (88, 926574), (101, 807312), (121, 673872), (132, 617716), (139, 586608), (176, 463287), (202, 403656), (242, 336936), (264, 308858), (278, 293304), (303, 269104), (363, 224624), (404, 201828), (417, 195536), (484, 168468), (528, 154429), (556, 146652), (606, 134552), (726, 112312), (808, 100914), (834, 97768), (968, 84234), (1111, 73392), (1112, 73326), (1212, 67276), (1452, 56156), (1529, 53328), (1616, 50457), (1668, 48884), (1936, 42117), (2222, 36696), (2224, 36663), (2424, 33638), (2904, 28078), (3058, 26664), (3333, 24464), (3336, 24442), (4444, 18348), (4587, 17776), (4848, 16819), (5808, 14039), (6116, 13332), (6666, 12232), (6672, 12221), (8888, 9174)]