123890880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 224

約数和(自身を含む): 426037248

約数和(自身を除く): 302146368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 92, 93, 96, 115, 120, 124, 138, 155, 160, 181, 184, 186, 192, 230, 240, 248, 276, 310, 320, 345, 362, 368, 372, 460, 465, 480, 496, 543, 552, 620, 690, 713, 724, 736, 744, 905, 920, 930, 960, 992, 1086, 1104, 1240, 1380, 1426, 1448, 1472, 1488, 1810, 1840, 1860, 1984, 2139, 2172, 2208, 2480, 2715, 2760, 2852, 2896, 2976, 3565, 3620, 3680, 3720, 4163, 4278, 4344, 4416, 4960, 5430, 5520, 5611, 5704, 5792, 5952, 7130, 7240, 7360, 7440, 8326, 8556, 8688, 9920, 10695, 10860, 11040, 11222, 11408, 11584, 12489, 14260, 14480, 14880, 16652, 16833, 17112, 17376, 20815, 21390, 21720, 22080, 22444, 22816, 24978, 28055, 28520, 28960, 29760, 33304, 33666, 34224, 34752, 41630, 42780, 43440, 44888, 45632, 49956, 56110, 57040, 57920, 62445, 66608, 67332, 68448, 83260, 84165, 85560, 86880, 89776, 99912, 112220, 114080, 124890, 129053, 133216, 134664, 136896, 166520, 168330, 171120, 173760, 179552, 199824, 224440, 228160, 249780, 258106, 266432, 269328, 333040, 336660, 342240, 359104, 387159, 399648, 448880, 499560, 516212, 538656, 645265, 666080, 673320, 684480, 774318, 799296, 897760, 999120, 1032424, 1077312, 1290530, 1332160, 1346640, 1548636, 1795520, 1935795, 1998240, 2064848, 2581060, 2693280, 3097272, 3871590, 3996480, 4129696, 5162120, 5386560, 6194544, 7743180, 8259392, 10324240, 12389088, 15486360, 20648480, 24778176, 30972720, 41296960, 61945440, 123890880]

約数ペア:

[(1, 123890880), (2, 61945440), (3, 41296960), (4, 30972720), (5, 24778176), (6, 20648480), (8, 15486360), (10, 12389088), (12, 10324240), (15, 8259392), (16, 7743180), (20, 6194544), (23, 5386560), (24, 5162120), (30, 4129696), (31, 3996480), (32, 3871590), (40, 3097272), (46, 2693280), (48, 2581060), (60, 2064848), (62, 1998240), (64, 1935795), (69, 1795520), (80, 1548636), (92, 1346640), (93, 1332160), (96, 1290530), (115, 1077312), (120, 1032424), (124, 999120), (138, 897760), (155, 799296), (160, 774318), (181, 684480), (184, 673320), (186, 666080), (192, 645265), (230, 538656), (240, 516212), (248, 499560), (276, 448880), (310, 399648), (320, 387159), (345, 359104), (362, 342240), (368, 336660), (372, 333040), (460, 269328), (465, 266432), (480, 258106), (496, 249780), (543, 228160), (552, 224440), (620, 199824), (690, 179552), (713, 173760), (724, 171120), (736, 168330), (744, 166520), (905, 136896), (920, 134664), (930, 133216), (960, 129053), (992, 124890), (1086, 114080), (1104, 112220), (1240, 99912), (1380, 89776), (1426, 86880), (1448, 85560), (1472, 84165), (1488, 83260), (1810, 68448), (1840, 67332), (1860, 66608), (1984, 62445), (2139, 57920), (2172, 57040), (2208, 56110), (2480, 49956), (2715, 45632), (2760, 44888), (2852, 43440), (2896, 42780), (2976, 41630), (3565, 34752), (3620, 34224), (3680, 33666), (3720, 33304), (4163, 29760), (4278, 28960), (4344, 28520), (4416, 28055), (4960, 24978), (5430, 22816), (5520, 22444), (5611, 22080), (5704, 21720), (5792, 21390), (5952, 20815), (7130, 17376), (7240, 17112), (7360, 16833), (7440, 16652), (8326, 14880), (8556, 14480), (8688, 14260), (9920, 12489), (10695, 11584), (10860, 11408), (11040, 11222)]