488705280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{18181}}^1$

素因数の和:18212

約数の個数: 144

約数和(自身を含む): 1783872384

約数和(自身を除く): 1295167104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 18181, 26880, 36362, 54543, 72724, 90905, 109086, 127267, 145448, 181810, 218172, 254534, 272715, 290896, 363620, 381801, 436344, 509068, 545430, 581792, 636335, 727240, 763602, 872688, 1018136, 1090860, 1163584, 1272670, 1454480, 1527204, 1745376, 1909005, 2036272, 2181720, 2327168, 2545340, 2908960, 3054408, 3490752, 3818010, 4072544, 4363440, 4654336, 5090680, 5817920, 6108816, 6981504, 7636020, 8145088, 8726880, 10181360, 11635840, 12217632, 13963008, 15272040, 16290176, 17453760, 20362720, 23271680, 24435264, 30544080, 32580352, 34907520, 40725440, 48870528, 61088160, 69815040, 81450880, 97741056, 122176320, 162901760, 244352640, 488705280]

約数ペア:

[(1, 488705280), (2, 244352640), (3, 162901760), (4, 122176320), (5, 97741056), (6, 81450880), (7, 69815040), (8, 61088160), (10, 48870528), (12, 40725440), (14, 34907520), (15, 32580352), (16, 30544080), (20, 24435264), (21, 23271680), (24, 20362720), (28, 17453760), (30, 16290176), (32, 15272040), (35, 13963008), (40, 12217632), (42, 11635840), (48, 10181360), (56, 8726880), (60, 8145088), (64, 7636020), (70, 6981504), (80, 6108816), (84, 5817920), (96, 5090680), (105, 4654336), (112, 4363440), (120, 4072544), (128, 3818010), (140, 3490752), (160, 3054408), (168, 2908960), (192, 2545340), (210, 2327168), (224, 2181720), (240, 2036272), (256, 1909005), (280, 1745376), (320, 1527204), (336, 1454480), (384, 1272670), (420, 1163584), (448, 1090860), (480, 1018136), (560, 872688), (640, 763602), (672, 727240), (768, 636335), (840, 581792), (896, 545430), (960, 509068), (1120, 436344), (1280, 381801), (1344, 363620), (1680, 290896), (1792, 272715), (1920, 254534), (2240, 218172), (2688, 181810), (3360, 145448), (3840, 127267), (4480, 109086), (5376, 90905), (6720, 72724), (8960, 54543), (13440, 36362), (18181, 26880)]