123891984

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 160

約数和(自身を含む): 382237440

約数和(自身を除く): 258345456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 37, 46, 48, 54, 69, 72, 74, 92, 108, 111, 138, 144, 148, 184, 207, 216, 222, 276, 296, 333, 337, 368, 414, 432, 444, 552, 592, 621, 666, 674, 828, 851, 888, 999, 1011, 1104, 1242, 1332, 1348, 1656, 1702, 1776, 1998, 2022, 2484, 2553, 2664, 2696, 3033, 3312, 3404, 3996, 4044, 4968, 5106, 5328, 5392, 6066, 6808, 7659, 7751, 7992, 8088, 9099, 9936, 10212, 12132, 12469, 13616, 15318, 15502, 15984, 16176, 18198, 20424, 22977, 23253, 24264, 24938, 30636, 31004, 36396, 37407, 40848, 45954, 46506, 48528, 49876, 61272, 62008, 69759, 72792, 74814, 91908, 93012, 99752, 112221, 122544, 124016, 139518, 145584, 149628, 183816, 186024, 199504, 209277, 224442, 279036, 286787, 299256, 336663, 367632, 372048, 418554, 448884, 558072, 573574, 598512, 673326, 837108, 860361, 897768, 1116144, 1147148, 1346652, 1674216, 1720722, 1795536, 2294296, 2581083, 2693304, 3348432, 3441444, 4588592, 5162166, 5386608, 6882888, 7743249, 10324332, 13765776, 15486498, 20648664, 30972996, 41297328, 61945992, 123891984]

約数ペア:

[(1, 123891984), (2, 61945992), (3, 41297328), (4, 30972996), (6, 20648664), (8, 15486498), (9, 13765776), (12, 10324332), (16, 7743249), (18, 6882888), (23, 5386608), (24, 5162166), (27, 4588592), (36, 3441444), (37, 3348432), (46, 2693304), (48, 2581083), (54, 2294296), (69, 1795536), (72, 1720722), (74, 1674216), (92, 1346652), (108, 1147148), (111, 1116144), (138, 897768), (144, 860361), (148, 837108), (184, 673326), (207, 598512), (216, 573574), (222, 558072), (276, 448884), (296, 418554), (333, 372048), (337, 367632), (368, 336663), (414, 299256), (432, 286787), (444, 279036), (552, 224442), (592, 209277), (621, 199504), (666, 186024), (674, 183816), (828, 149628), (851, 145584), (888, 139518), (999, 124016), (1011, 122544), (1104, 112221), (1242, 99752), (1332, 93012), (1348, 91908), (1656, 74814), (1702, 72792), (1776, 69759), (1998, 62008), (2022, 61272), (2484, 49876), (2553, 48528), (2664, 46506), (2696, 45954), (3033, 40848), (3312, 37407), (3404, 36396), (3996, 31004), (4044, 30636), (4968, 24938), (5106, 24264), (5328, 23253), (5392, 22977), (6066, 20424), (6808, 18198), (7659, 16176), (7751, 15984), (7992, 15502), (8088, 15318), (9099, 13616), (9936, 12469), (10212, 12132)]