1271979168

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 216

約数和(自身を含む): 3772887552

約数和(自身を除く): 2500908384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 68, 76, 96, 102, 114, 127, 136, 152, 204, 228, 254, 272, 289, 304, 323, 361, 381, 408, 456, 508, 544, 578, 608, 646, 722, 762, 816, 867, 912, 969, 1016, 1083, 1156, 1292, 1444, 1524, 1632, 1734, 1824, 1938, 2032, 2159, 2166, 2312, 2413, 2584, 2888, 3048, 3468, 3876, 4064, 4318, 4332, 4624, 4826, 5168, 5491, 5776, 6096, 6137, 6477, 6936, 7239, 7752, 8636, 8664, 9248, 9652, 10336, 10982, 11552, 12192, 12274, 12954, 13872, 14478, 15504, 16473, 17272, 17328, 18411, 19304, 21964, 24548, 25908, 27744, 28956, 31008, 32946, 34544, 34656, 36703, 36822, 38608, 41021, 43928, 45847, 49096, 51816, 57912, 65892, 69088, 73406, 73644, 77216, 82042, 87856, 91694, 98192, 103632, 104329, 110109, 115824, 123063, 131784, 137541, 146812, 147288, 164084, 175712, 183388, 196384, 207264, 208658, 220218, 231648, 246126, 263568, 275082, 293624, 294576, 312987, 328168, 366776, 417316, 440436, 492252, 527136, 550164, 587248, 589152, 625974, 656336, 697357, 733552, 779399, 834632, 880872, 984504, 1100328, 1174496, 1251948, 1312672, 1394714, 1467104, 1558798, 1669264, 1761744, 1969008, 2092071, 2200656, 2338197, 2503896, 2789428, 3117596, 3338528, 3523488, 3938016, 4184142, 4401312, 4676394, 5007792, 5578856, 6235192, 8368284, 9352788, 10015584, 11157712, 12470384, 13249783, 16736568, 18705576, 22315424, 24940768, 26499566, 33473136, 37411152, 39749349, 52999132, 66946272, 74822304, 79498698, 105998264, 158997396, 211996528, 317994792, 423993056, 635989584, 1271979168]

約数ペア:

[(1, 1271979168), (2, 635989584), (3, 423993056), (4, 317994792), (6, 211996528), (8, 158997396), (12, 105998264), (16, 79498698), (17, 74822304), (19, 66946272), (24, 52999132), (32, 39749349), (34, 37411152), (38, 33473136), (48, 26499566), (51, 24940768), (57, 22315424), (68, 18705576), (76, 16736568), (96, 13249783), (102, 12470384), (114, 11157712), (127, 10015584), (136, 9352788), (152, 8368284), (204, 6235192), (228, 5578856), (254, 5007792), (272, 4676394), (289, 4401312), (304, 4184142), (323, 3938016), (361, 3523488), (381, 3338528), (408, 3117596), (456, 2789428), (508, 2503896), (544, 2338197), (578, 2200656), (608, 2092071), (646, 1969008), (722, 1761744), (762, 1669264), (816, 1558798), (867, 1467104), (912, 1394714), (969, 1312672), (1016, 1251948), (1083, 1174496), (1156, 1100328), (1292, 984504), (1444, 880872), (1524, 834632), (1632, 779399), (1734, 733552), (1824, 697357), (1938, 656336), (2032, 625974), (2159, 589152), (2166, 587248), (2312, 550164), (2413, 527136), (2584, 492252), (2888, 440436), (3048, 417316), (3468, 366776), (3876, 328168), (4064, 312987), (4318, 294576), (4332, 293624), (4624, 275082), (4826, 263568), (5168, 246126), (5491, 231648), (5776, 220218), (6096, 208658), (6137, 207264), (6477, 196384), (6936, 183388), (7239, 175712), (7752, 164084), (8636, 147288), (8664, 146812), (9248, 137541), (9652, 131784), (10336, 123063), (10982, 115824), (11552, 110109), (12192, 104329), (12274, 103632), (12954, 98192), (13872, 91694), (14478, 87856), (15504, 82042), (16473, 77216), (17272, 73644), (17328, 73406), (18411, 69088), (19304, 65892), (21964, 57912), (24548, 51816), (25908, 49096), (27744, 45847), (28956, 43928), (31008, 41021), (32946, 38608), (34544, 36822), (34656, 36703)]