12906880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 36622080

約数和(自身を除く): 23715200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 67, 70, 80, 86, 112, 128, 134, 140, 160, 172, 215, 224, 268, 280, 301, 320, 335, 344, 430, 448, 469, 536, 560, 602, 640, 670, 688, 860, 896, 938, 1072, 1120, 1204, 1340, 1376, 1505, 1720, 1876, 2144, 2240, 2345, 2408, 2680, 2752, 2881, 3010, 3440, 3752, 4288, 4480, 4690, 4816, 5360, 5504, 5762, 6020, 6880, 7504, 8576, 9380, 9632, 10720, 11524, 12040, 13760, 14405, 15008, 18760, 19264, 20167, 21440, 23048, 24080, 27520, 28810, 30016, 37520, 38528, 40334, 42880, 46096, 48160, 57620, 60032, 75040, 80668, 92192, 96320, 100835, 115240, 150080, 161336, 184384, 192640, 201670, 230480, 300160, 322672, 368768, 403340, 460960, 645344, 806680, 921920, 1290688, 1613360, 1843840, 2581376, 3226720, 6453440, 12906880]

約数ペア:

[(1, 12906880), (2, 6453440), (4, 3226720), (5, 2581376), (7, 1843840), (8, 1613360), (10, 1290688), (14, 921920), (16, 806680), (20, 645344), (28, 460960), (32, 403340), (35, 368768), (40, 322672), (43, 300160), (56, 230480), (64, 201670), (67, 192640), (70, 184384), (80, 161336), (86, 150080), (112, 115240), (128, 100835), (134, 96320), (140, 92192), (160, 80668), (172, 75040), (215, 60032), (224, 57620), (268, 48160), (280, 46096), (301, 42880), (320, 40334), (335, 38528), (344, 37520), (430, 30016), (448, 28810), (469, 27520), (536, 24080), (560, 23048), (602, 21440), (640, 20167), (670, 19264), (688, 18760), (860, 15008), (896, 14405), (938, 13760), (1072, 12040), (1120, 11524), (1204, 10720), (1340, 9632), (1376, 9380), (1505, 8576), (1720, 7504), (1876, 6880), (2144, 6020), (2240, 5762), (2345, 5504), (2408, 5360), (2680, 4816), (2752, 4690), (2881, 4480), (3010, 4288), (3440, 3752)]