81565176

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 256

約数和(自身を含む): 282009600

約数和(自身を除く): 200444424

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 23, 24, 28, 33, 38, 42, 44, 46, 56, 57, 66, 69, 76, 77, 84, 88, 92, 101, 114, 132, 133, 138, 152, 154, 161, 168, 184, 202, 209, 228, 231, 253, 264, 266, 276, 303, 308, 322, 399, 404, 418, 437, 456, 462, 483, 506, 532, 552, 606, 616, 627, 644, 707, 759, 798, 808, 836, 874, 924, 966, 1012, 1064, 1111, 1212, 1254, 1288, 1311, 1414, 1463, 1518, 1596, 1672, 1748, 1771, 1848, 1919, 1932, 2024, 2121, 2222, 2323, 2424, 2508, 2622, 2828, 2926, 3036, 3059, 3192, 3333, 3496, 3542, 3838, 3864, 4242, 4389, 4444, 4646, 4807, 5016, 5244, 5313, 5656, 5757, 5852, 6072, 6118, 6666, 6969, 7084, 7676, 7777, 8484, 8778, 8888, 9177, 9292, 9614, 10488, 10626, 11514, 11704, 12236, 13332, 13433, 13938, 14168, 14421, 15352, 15554, 16261, 16968, 17556, 18354, 18584, 19228, 21109, 21252, 23028, 23331, 24472, 25553, 26664, 26866, 27876, 28842, 31108, 32522, 33649, 35112, 36708, 38456, 40299, 42218, 42504, 44137, 46056, 46662, 48783, 51106, 53732, 55752, 57684, 62216, 63327, 65044, 67298, 73416, 76659, 80598, 84436, 88274, 93324, 97566, 100947, 102212, 107464, 115368, 126654, 130088, 132411, 134596, 147763, 153318, 161196, 168872, 176548, 178871, 186648, 195132, 201894, 204424, 253308, 264822, 269192, 295526, 306636, 308959, 322392, 353096, 357742, 390264, 403788, 443289, 485507, 506616, 529644, 536613, 591052, 613272, 617918, 715484, 807576, 886578, 926877, 971014, 1059288, 1073226, 1182104, 1235836, 1430968, 1456521, 1773156, 1853754, 1942028, 2146452, 2471672, 2913042, 3398549, 3546312, 3707508, 3884056, 4292904, 5826084, 6797098, 7415016, 10195647, 11652168, 13594196, 20391294, 27188392, 40782588, 81565176]

約数ペア:

[(1, 81565176), (2, 40782588), (3, 27188392), (4, 20391294), (6, 13594196), (7, 11652168), (8, 10195647), (11, 7415016), (12, 6797098), (14, 5826084), (19, 4292904), (21, 3884056), (22, 3707508), (23, 3546312), (24, 3398549), (28, 2913042), (33, 2471672), (38, 2146452), (42, 1942028), (44, 1853754), (46, 1773156), (56, 1456521), (57, 1430968), (66, 1235836), (69, 1182104), (76, 1073226), (77, 1059288), (84, 971014), (88, 926877), (92, 886578), (101, 807576), (114, 715484), (132, 617918), (133, 613272), (138, 591052), (152, 536613), (154, 529644), (161, 506616), (168, 485507), (184, 443289), (202, 403788), (209, 390264), (228, 357742), (231, 353096), (253, 322392), (264, 308959), (266, 306636), (276, 295526), (303, 269192), (308, 264822), (322, 253308), (399, 204424), (404, 201894), (418, 195132), (437, 186648), (456, 178871), (462, 176548), (483, 168872), (506, 161196), (532, 153318), (552, 147763), (606, 134596), (616, 132411), (627, 130088), (644, 126654), (707, 115368), (759, 107464), (798, 102212), (808, 100947), (836, 97566), (874, 93324), (924, 88274), (966, 84436), (1012, 80598), (1064, 76659), (1111, 73416), (1212, 67298), (1254, 65044), (1288, 63327), (1311, 62216), (1414, 57684), (1463, 55752), (1518, 53732), (1596, 51106), (1672, 48783), (1748, 46662), (1771, 46056), (1848, 44137), (1919, 42504), (1932, 42218), (2024, 40299), (2121, 38456), (2222, 36708), (2323, 35112), (2424, 33649), (2508, 32522), (2622, 31108), (2828, 28842), (2926, 27876), (3036, 26866), (3059, 26664), (3192, 25553), (3333, 24472), (3496, 23331), (3542, 23028), (3838, 21252), (3864, 21109), (4242, 19228), (4389, 18584), (4444, 18354), (4646, 17556), (4807, 16968), (5016, 16261), (5244, 15554), (5313, 15352), (5656, 14421), (5757, 14168), (5852, 13938), (6072, 13433), (6118, 13332), (6666, 12236), (6969, 11704), (7084, 11514), (7676, 10626), (7777, 10488), (8484, 9614), (8778, 9292), (8888, 9177)]