31157760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{4057}}^1$

素因数の和:4083

約数の個数: 80

約数和(自身を含む): 99632016

約数和(自身を除く): 68474256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 4057, 7680, 8114, 12171, 16228, 20285, 24342, 32456, 40570, 48684, 60855, 64912, 81140, 97368, 121710, 129824, 162280, 194736, 243420, 259648, 324560, 389472, 486840, 519296, 649120, 778944, 973680, 1038592, 1298240, 1557888, 1947360, 2077184, 2596480, 3115776, 3894720, 5192960, 6231552, 7789440, 10385920, 15578880, 31157760]

約数ペア:

[(1, 31157760), (2, 15578880), (3, 10385920), (4, 7789440), (5, 6231552), (6, 5192960), (8, 3894720), (10, 3115776), (12, 2596480), (15, 2077184), (16, 1947360), (20, 1557888), (24, 1298240), (30, 1038592), (32, 973680), (40, 778944), (48, 649120), (60, 519296), (64, 486840), (80, 389472), (96, 324560), (120, 259648), (128, 243420), (160, 194736), (192, 162280), (240, 129824), (256, 121710), (320, 97368), (384, 81140), (480, 64912), (512, 60855), (640, 48684), (768, 40570), (960, 32456), (1280, 24342), (1536, 20285), (1920, 16228), (2560, 12171), (3840, 8114), (4057, 7680)]