1938278720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:429

約数の個数: 224

約数和(自身を含む): 5518196736

約数和(自身を除く): 3579918016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 103, 112, 124, 140, 155, 160, 206, 217, 224, 248, 271, 280, 310, 320, 412, 434, 448, 496, 515, 542, 560, 620, 721, 824, 868, 992, 1030, 1084, 1085, 1120, 1240, 1355, 1442, 1648, 1736, 1897, 1984, 2060, 2168, 2170, 2240, 2480, 2710, 2884, 3193, 3296, 3472, 3605, 3794, 4120, 4336, 4340, 4960, 5420, 5768, 6386, 6592, 6944, 7210, 7588, 8240, 8401, 8672, 8680, 9485, 9920, 10840, 11536, 12772, 13888, 14420, 15176, 15965, 16480, 16802, 17344, 17360, 18970, 21680, 22351, 23072, 25544, 27913, 28840, 30352, 31930, 32960, 33604, 34720, 37940, 42005, 43360, 44702, 46144, 51088, 55826, 57680, 58807, 60704, 63860, 67208, 69440, 75880, 84010, 86720, 89404, 102176, 111652, 111755, 115360, 117614, 121408, 127720, 134416, 139565, 151760, 168020, 178808, 195391, 204352, 223304, 223510, 230720, 235228, 255440, 268832, 279130, 294035, 303520, 336040, 357616, 390782, 446608, 447020, 470456, 510880, 537664, 558260, 588070, 607040, 672080, 715232, 781564, 865303, 893216, 894040, 940912, 976955, 1021760, 1116520, 1176140, 1344160, 1430464, 1563128, 1730606, 1786432, 1788080, 1881824, 1953910, 2233040, 2352280, 2688320, 3126256, 3461212, 3576160, 3763648, 3907820, 4326515, 4466080, 4704560, 6057121, 6252512, 6922424, 7152320, 7815640, 8653030, 8932160, 9409120, 12114242, 12505024, 13844848, 15631280, 17306060, 18818240, 24228484, 27689696, 30285605, 31262560, 34612120, 48456968, 55379392, 60571210, 62525120, 69224240, 96913936, 121142420, 138448480, 193827872, 242284840, 276896960, 387655744, 484569680, 969139360, 1938278720]

約数ペア:

[(1, 1938278720), (2, 969139360), (4, 484569680), (5, 387655744), (7, 276896960), (8, 242284840), (10, 193827872), (14, 138448480), (16, 121142420), (20, 96913936), (28, 69224240), (31, 62525120), (32, 60571210), (35, 55379392), (40, 48456968), (56, 34612120), (62, 31262560), (64, 30285605), (70, 27689696), (80, 24228484), (103, 18818240), (112, 17306060), (124, 15631280), (140, 13844848), (155, 12505024), (160, 12114242), (206, 9409120), (217, 8932160), (224, 8653030), (248, 7815640), (271, 7152320), (280, 6922424), (310, 6252512), (320, 6057121), (412, 4704560), (434, 4466080), (448, 4326515), (496, 3907820), (515, 3763648), (542, 3576160), (560, 3461212), (620, 3126256), (721, 2688320), (824, 2352280), (868, 2233040), (992, 1953910), (1030, 1881824), (1084, 1788080), (1085, 1786432), (1120, 1730606), (1240, 1563128), (1355, 1430464), (1442, 1344160), (1648, 1176140), (1736, 1116520), (1897, 1021760), (1984, 976955), (2060, 940912), (2168, 894040), (2170, 893216), (2240, 865303), (2480, 781564), (2710, 715232), (2884, 672080), (3193, 607040), (3296, 588070), (3472, 558260), (3605, 537664), (3794, 510880), (4120, 470456), (4336, 447020), (4340, 446608), (4960, 390782), (5420, 357616), (5768, 336040), (6386, 303520), (6592, 294035), (6944, 279130), (7210, 268832), (7588, 255440), (8240, 235228), (8401, 230720), (8672, 223510), (8680, 223304), (9485, 204352), (9920, 195391), (10840, 178808), (11536, 168020), (12772, 151760), (13888, 139565), (14420, 134416), (15176, 127720), (15965, 121408), (16480, 117614), (16802, 115360), (17344, 111755), (17360, 111652), (18970, 102176), (21680, 89404), (22351, 86720), (23072, 84010), (25544, 75880), (27913, 69440), (28840, 67208), (30352, 63860), (31930, 60704), (32960, 58807), (33604, 57680), (34720, 55826), (37940, 51088), (42005, 46144), (43360, 44702)]