8720640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{757}}^1$

素因数の和:784

約数の個数: 108

約数和(自身を含む): 30212364

約数和(自身を除く): 21491724

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 757, 768, 960, 1152, 1280, 1440, 1514, 1920, 2271, 2304, 2880, 3028, 3785, 3840, 4542, 5760, 6056, 6813, 7570, 9084, 11355, 11520, 12112, 13626, 15140, 18168, 22710, 24224, 27252, 30280, 34065, 36336, 45420, 48448, 54504, 60560, 68130, 72672, 90840, 96896, 109008, 121120, 136260, 145344, 181680, 193792, 218016, 242240, 272520, 290688, 363360, 436032, 484480, 545040, 581376, 726720, 872064, 968960, 1090080, 1453440, 1744128, 2180160, 2906880, 4360320, 8720640]

約数ペア:

[(1, 8720640), (2, 4360320), (3, 2906880), (4, 2180160), (5, 1744128), (6, 1453440), (8, 1090080), (9, 968960), (10, 872064), (12, 726720), (15, 581376), (16, 545040), (18, 484480), (20, 436032), (24, 363360), (30, 290688), (32, 272520), (36, 242240), (40, 218016), (45, 193792), (48, 181680), (60, 145344), (64, 136260), (72, 121120), (80, 109008), (90, 96896), (96, 90840), (120, 72672), (128, 68130), (144, 60560), (160, 54504), (180, 48448), (192, 45420), (240, 36336), (256, 34065), (288, 30280), (320, 27252), (360, 24224), (384, 22710), (480, 18168), (576, 15140), (640, 13626), (720, 12112), (757, 11520), (768, 11355), (960, 9084), (1152, 7570), (1280, 6813), (1440, 6056), (1514, 5760), (1920, 4542), (2271, 3840), (2304, 3785), (2880, 3028)]