77009920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 132

約数和(自身を含む): 202284540

約数和(自身を除く): 125274620

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 128, 130, 160, 169, 178, 208, 256, 260, 320, 338, 356, 416, 445, 512, 520, 640, 676, 712, 832, 845, 890, 1024, 1040, 1157, 1280, 1352, 1424, 1664, 1690, 1780, 2080, 2314, 2560, 2704, 2848, 3328, 3380, 3560, 4160, 4628, 5120, 5408, 5696, 5785, 6656, 6760, 7120, 8320, 9256, 10816, 11392, 11570, 13312, 13520, 14240, 15041, 16640, 18512, 21632, 22784, 23140, 27040, 28480, 30082, 33280, 37024, 43264, 45568, 46280, 54080, 56960, 60164, 66560, 74048, 75205, 86528, 91136, 92560, 108160, 113920, 120328, 148096, 150410, 173056, 185120, 216320, 227840, 240656, 296192, 300820, 370240, 432640, 455680, 481312, 592384, 601640, 740480, 865280, 962624, 1184768, 1203280, 1480960, 1925248, 2406560, 2961920, 3850496, 4813120, 5923840, 7700992, 9626240, 15401984, 19252480, 38504960, 77009920]

約数ペア:

[(1, 77009920), (2, 38504960), (4, 19252480), (5, 15401984), (8, 9626240), (10, 7700992), (13, 5923840), (16, 4813120), (20, 3850496), (26, 2961920), (32, 2406560), (40, 1925248), (52, 1480960), (64, 1203280), (65, 1184768), (80, 962624), (89, 865280), (104, 740480), (128, 601640), (130, 592384), (160, 481312), (169, 455680), (178, 432640), (208, 370240), (256, 300820), (260, 296192), (320, 240656), (338, 227840), (356, 216320), (416, 185120), (445, 173056), (512, 150410), (520, 148096), (640, 120328), (676, 113920), (712, 108160), (832, 92560), (845, 91136), (890, 86528), (1024, 75205), (1040, 74048), (1157, 66560), (1280, 60164), (1352, 56960), (1424, 54080), (1664, 46280), (1690, 45568), (1780, 43264), (2080, 37024), (2314, 33280), (2560, 30082), (2704, 28480), (2848, 27040), (3328, 23140), (3380, 22784), (3560, 21632), (4160, 18512), (4628, 16640), (5120, 15041), (5408, 14240), (5696, 13520), (5785, 13312), (6656, 11570), (6760, 11392), (7120, 10816), (8320, 9256)]