243847520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1637}}^1$

素因数の和:1685

約数の個数: 144

約数和(自身を含む): 705846960

約数和(自身を除く): 461999440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1637, 1862, 1960, 2128, 2660, 3040, 3274, 3724, 3920, 4256, 4655, 5320, 6548, 7448, 7840, 8185, 9310, 10640, 11459, 13096, 14896, 16370, 18620, 21280, 22918, 26192, 29792, 31103, 32740, 37240, 45836, 52384, 57295, 62206, 65480, 74480, 80213, 91672, 114590, 124412, 130960, 148960, 155515, 160426, 183344, 217721, 229180, 248824, 261920, 311030, 320852, 366688, 401065, 435442, 458360, 497648, 622060, 641704, 802130, 870884, 916720, 995296, 1088605, 1244120, 1283408, 1524047, 1604260, 1741768, 1833440, 2177210, 2488240, 2566816, 3048094, 3208520, 3483536, 4354420, 4976480, 6096188, 6417040, 6967072, 7620235, 8708840, 12192376, 12834080, 15240470, 17417680, 24384752, 30480940, 34835360, 48769504, 60961880, 121923760, 243847520]

約数ペア:

[(1, 243847520), (2, 121923760), (4, 60961880), (5, 48769504), (7, 34835360), (8, 30480940), (10, 24384752), (14, 17417680), (16, 15240470), (19, 12834080), (20, 12192376), (28, 8708840), (32, 7620235), (35, 6967072), (38, 6417040), (40, 6096188), (49, 4976480), (56, 4354420), (70, 3483536), (76, 3208520), (80, 3048094), (95, 2566816), (98, 2488240), (112, 2177210), (133, 1833440), (140, 1741768), (152, 1604260), (160, 1524047), (190, 1283408), (196, 1244120), (224, 1088605), (245, 995296), (266, 916720), (280, 870884), (304, 802130), (380, 641704), (392, 622060), (490, 497648), (532, 458360), (560, 435442), (608, 401065), (665, 366688), (760, 320852), (784, 311030), (931, 261920), (980, 248824), (1064, 229180), (1120, 217721), (1330, 183344), (1520, 160426), (1568, 155515), (1637, 148960), (1862, 130960), (1960, 124412), (2128, 114590), (2660, 91672), (3040, 80213), (3274, 74480), (3724, 65480), (3920, 62206), (4256, 57295), (4655, 52384), (5320, 45836), (6548, 37240), (7448, 32740), (7840, 31103), (8185, 29792), (9310, 26192), (10640, 22918), (11459, 21280), (13096, 18620), (14896, 16370)]