81435984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 260340480

約数和(自身を除く): 178904496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 53, 56, 68, 84, 102, 106, 112, 119, 136, 159, 168, 204, 212, 238, 269, 272, 318, 336, 357, 371, 408, 424, 476, 538, 636, 714, 742, 807, 816, 848, 901, 952, 1076, 1113, 1272, 1428, 1484, 1614, 1802, 1883, 1904, 2152, 2226, 2544, 2703, 2856, 2968, 3228, 3604, 3766, 4304, 4452, 4573, 5406, 5649, 5712, 5936, 6307, 6456, 7208, 7532, 8904, 9146, 10812, 11298, 12614, 12912, 13719, 14257, 14416, 15064, 17808, 18292, 18921, 21624, 22596, 25228, 27438, 28514, 30128, 32011, 36584, 37842, 42771, 43248, 45192, 50456, 54876, 57028, 64022, 73168, 75684, 85542, 90384, 96033, 99799, 100912, 109752, 114056, 128044, 151368, 171084, 192066, 199598, 219504, 228112, 242369, 256088, 299397, 302736, 342168, 384132, 399196, 484738, 512176, 598794, 684336, 727107, 768264, 798392, 969476, 1197588, 1454214, 1536528, 1596784, 1696583, 1938952, 2395176, 2908428, 3393166, 3877904, 4790352, 5089749, 5816856, 6786332, 10179498, 11633712, 13572664, 20358996, 27145328, 40717992, 81435984]

約数ペア:

[(1, 81435984), (2, 40717992), (3, 27145328), (4, 20358996), (6, 13572664), (7, 11633712), (8, 10179498), (12, 6786332), (14, 5816856), (16, 5089749), (17, 4790352), (21, 3877904), (24, 3393166), (28, 2908428), (34, 2395176), (42, 1938952), (48, 1696583), (51, 1596784), (53, 1536528), (56, 1454214), (68, 1197588), (84, 969476), (102, 798392), (106, 768264), (112, 727107), (119, 684336), (136, 598794), (159, 512176), (168, 484738), (204, 399196), (212, 384132), (238, 342168), (269, 302736), (272, 299397), (318, 256088), (336, 242369), (357, 228112), (371, 219504), (408, 199598), (424, 192066), (476, 171084), (538, 151368), (636, 128044), (714, 114056), (742, 109752), (807, 100912), (816, 99799), (848, 96033), (901, 90384), (952, 85542), (1076, 75684), (1113, 73168), (1272, 64022), (1428, 57028), (1484, 54876), (1614, 50456), (1802, 45192), (1883, 43248), (1904, 42771), (2152, 37842), (2226, 36584), (2544, 32011), (2703, 30128), (2856, 28514), (2968, 27438), (3228, 25228), (3604, 22596), (3766, 21624), (4304, 18921), (4452, 18292), (4573, 17808), (5406, 15064), (5649, 14416), (5712, 14257), (5936, 13719), (6307, 12912), (6456, 12614), (7208, 11298), (7532, 10812), (8904, 9146)]