31397280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:606

約数の個数: 96

約数和(自身を含む): 99792000

約数和(自身を除く): 68394720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 149, 160, 240, 298, 439, 447, 480, 596, 745, 878, 894, 1192, 1317, 1490, 1756, 1788, 2195, 2235, 2384, 2634, 2980, 3512, 3576, 4390, 4470, 4768, 5268, 5960, 6585, 7024, 7152, 8780, 8940, 10536, 11920, 13170, 14048, 14304, 17560, 17880, 21072, 23840, 26340, 35120, 35760, 42144, 52680, 65411, 70240, 71520, 105360, 130822, 196233, 210720, 261644, 327055, 392466, 523288, 654110, 784932, 981165, 1046576, 1308220, 1569864, 1962330, 2093152, 2616440, 3139728, 3924660, 5232880, 6279456, 7849320, 10465760, 15698640, 31397280]

約数ペア:

[(1, 31397280), (2, 15698640), (3, 10465760), (4, 7849320), (5, 6279456), (6, 5232880), (8, 3924660), (10, 3139728), (12, 2616440), (15, 2093152), (16, 1962330), (20, 1569864), (24, 1308220), (30, 1046576), (32, 981165), (40, 784932), (48, 654110), (60, 523288), (80, 392466), (96, 327055), (120, 261644), (149, 210720), (160, 196233), (240, 130822), (298, 105360), (439, 71520), (447, 70240), (480, 65411), (596, 52680), (745, 42144), (878, 35760), (894, 35120), (1192, 26340), (1317, 23840), (1490, 21072), (1756, 17880), (1788, 17560), (2195, 14304), (2235, 14048), (2384, 13170), (2634, 11920), (2980, 10536), (3512, 8940), (3576, 8780), (4390, 7152), (4470, 7024), (4768, 6585), (5268, 5960)]