248871720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 777600000

約数和(自身を除く): 528728280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 149, 155, 186, 248, 298, 310, 372, 447, 449, 465, 596, 620, 744, 745, 894, 898, 930, 1192, 1240, 1347, 1490, 1788, 1796, 1860, 2235, 2245, 2694, 2980, 3576, 3592, 3720, 4470, 4490, 4619, 5388, 5960, 6735, 8940, 8980, 9238, 10776, 13470, 13857, 13919, 17880, 17960, 18476, 23095, 26940, 27714, 27838, 36952, 41757, 46190, 53880, 55428, 55676, 66901, 69285, 69595, 83514, 92380, 110856, 111352, 133802, 138570, 139190, 167028, 184760, 200703, 208785, 267604, 277140, 278380, 334056, 334505, 401406, 417570, 535208, 554280, 556760, 669010, 802812, 835140, 1003515, 1338020, 1605624, 1670280, 2007030, 2073931, 2676040, 4014060, 4147862, 6221793, 8028120, 8295724, 10369655, 12443586, 16591448, 20739310, 24887172, 31108965, 41478620, 49774344, 62217930, 82957240, 124435860, 248871720]

約数ペア:

[(1, 248871720), (2, 124435860), (3, 82957240), (4, 62217930), (5, 49774344), (6, 41478620), (8, 31108965), (10, 24887172), (12, 20739310), (15, 16591448), (20, 12443586), (24, 10369655), (30, 8295724), (31, 8028120), (40, 6221793), (60, 4147862), (62, 4014060), (93, 2676040), (120, 2073931), (124, 2007030), (149, 1670280), (155, 1605624), (186, 1338020), (248, 1003515), (298, 835140), (310, 802812), (372, 669010), (447, 556760), (449, 554280), (465, 535208), (596, 417570), (620, 401406), (744, 334505), (745, 334056), (894, 278380), (898, 277140), (930, 267604), (1192, 208785), (1240, 200703), (1347, 184760), (1490, 167028), (1788, 139190), (1796, 138570), (1860, 133802), (2235, 111352), (2245, 110856), (2694, 92380), (2980, 83514), (3576, 69595), (3592, 69285), (3720, 66901), (4470, 55676), (4490, 55428), (4619, 53880), (5388, 46190), (5960, 41757), (6735, 36952), (8940, 27838), (8980, 27714), (9238, 26940), (10776, 23095), (13470, 18476), (13857, 17960), (13919, 17880)]