40686720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{21191}}^1$

素因数の和:21213

約数の個数: 64

約数和(自身を含む): 129695040

約数和(自身を除く): 89008320

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, 320, 384, 480, 640, 960, 1920, 21191, 42382, 63573, 84764, 105955, 127146, 169528, 211910, 254292, 317865, 339056, 423820, 508584, 635730, 678112, 847640, 1017168, 1271460, 1356224, 1695280, 2034336, 2542920, 2712448, 3390560, 4068672, 5085840, 6781120, 8137344, 10171680, 13562240, 20343360, 40686720]

約数ペア:

[(1, 40686720), (2, 20343360), (3, 13562240), (4, 10171680), (5, 8137344), (6, 6781120), (8, 5085840), (10, 4068672), (12, 3390560), (15, 2712448), (16, 2542920), (20, 2034336), (24, 1695280), (30, 1356224), (32, 1271460), (40, 1017168), (48, 847640), (60, 678112), (64, 635730), (80, 508584), (96, 423820), (120, 339056), (128, 317865), (160, 254292), (192, 211910), (240, 169528), (320, 127146), (384, 105955), (480, 84764), (640, 63573), (960, 42382), (1920, 21191)]