499680640

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 1245150720

約数和(自身を除く): 745470080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 67, 80, 86, 128, 134, 160, 172, 215, 268, 271, 320, 335, 344, 430, 536, 542, 640, 670, 688, 860, 1072, 1084, 1340, 1355, 1376, 1720, 2144, 2168, 2680, 2710, 2752, 2881, 3440, 4288, 4336, 5360, 5420, 5504, 5762, 6880, 8576, 8672, 10720, 10840, 11524, 11653, 13760, 14405, 17344, 18157, 21440, 21680, 23048, 23306, 27520, 28810, 34688, 36314, 42880, 43360, 46096, 46612, 57620, 58265, 72628, 86720, 90785, 92192, 93224, 115240, 116530, 145256, 173440, 181570, 184384, 186448, 230480, 233060, 290512, 363140, 368768, 372896, 460960, 466120, 581024, 726280, 745792, 780751, 921920, 932240, 1162048, 1452560, 1491584, 1561502, 1843840, 1864480, 2324096, 2905120, 3123004, 3728960, 3903755, 5810240, 6246008, 7457920, 7807510, 11620480, 12492016, 15615020, 24984032, 31230040, 49968064, 62460080, 99936128, 124920160, 249840320, 499680640]

約数ペア:

[(1, 499680640), (2, 249840320), (4, 124920160), (5, 99936128), (8, 62460080), (10, 49968064), (16, 31230040), (20, 24984032), (32, 15615020), (40, 12492016), (43, 11620480), (64, 7807510), (67, 7457920), (80, 6246008), (86, 5810240), (128, 3903755), (134, 3728960), (160, 3123004), (172, 2905120), (215, 2324096), (268, 1864480), (271, 1843840), (320, 1561502), (335, 1491584), (344, 1452560), (430, 1162048), (536, 932240), (542, 921920), (640, 780751), (670, 745792), (688, 726280), (860, 581024), (1072, 466120), (1084, 460960), (1340, 372896), (1355, 368768), (1376, 363140), (1720, 290512), (2144, 233060), (2168, 230480), (2680, 186448), (2710, 184384), (2752, 181570), (2881, 173440), (3440, 145256), (4288, 116530), (4336, 115240), (5360, 93224), (5420, 92192), (5504, 90785), (5762, 86720), (6880, 72628), (8576, 58265), (8672, 57620), (10720, 46612), (10840, 46096), (11524, 43360), (11653, 42880), (13760, 36314), (14405, 34688), (17344, 28810), (18157, 27520), (21440, 23306), (21680, 23048)]