639368800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 288

約数和(自身を含む): 1919877120

約数和(自身を除く): 1280508320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 31, 32, 35, 40, 50, 56, 58, 62, 70, 80, 100, 112, 116, 124, 127, 140, 145, 155, 160, 175, 200, 203, 217, 224, 232, 248, 254, 280, 290, 310, 350, 400, 406, 434, 464, 496, 508, 560, 580, 620, 635, 700, 725, 775, 800, 812, 868, 889, 899, 928, 992, 1015, 1016, 1085, 1120, 1160, 1240, 1270, 1400, 1450, 1550, 1624, 1736, 1778, 1798, 2030, 2032, 2170, 2320, 2480, 2540, 2800, 2900, 3100, 3175, 3248, 3472, 3556, 3596, 3683, 3937, 4060, 4064, 4340, 4445, 4495, 4640, 4960, 5075, 5080, 5425, 5600, 5800, 6200, 6293, 6350, 6496, 6944, 7112, 7192, 7366, 7874, 8120, 8680, 8890, 8990, 10150, 10160, 10850, 11600, 12400, 12586, 12700, 14224, 14384, 14732, 15748, 16240, 17360, 17780, 17980, 18415, 19685, 20300, 20320, 21700, 22225, 22475, 23200, 24800, 25172, 25400, 25781, 27559, 28448, 28768, 29464, 31465, 31496, 32480, 34720, 35560, 35960, 36830, 39370, 40600, 43400, 44450, 44950, 50344, 50800, 51562, 55118, 58928, 62930, 62992, 71120, 71920, 73660, 78740, 81200, 86800, 88900, 89900, 92075, 98425, 100688, 101600, 103124, 110236, 114173, 117856, 125860, 125984, 128905, 137795, 142240, 143840, 147320, 157325, 157480, 162400, 173600, 177800, 179800, 184150, 196850, 201376, 206248, 220472, 228346, 251720, 257810, 275590, 294640, 314650, 314960, 355600, 359600, 368300, 393700, 412496, 440944, 456692, 503440, 515620, 551180, 570865, 589280, 629300, 629920, 644525, 688975, 711200, 719200, 736600, 787400, 799211, 824992, 881888, 913384, 1006880, 1031240, 1102360, 1141730, 1258600, 1289050, 1377950, 1473200, 1574800, 1598422, 1826768, 2062480, 2204720, 2283460, 2517200, 2578100, 2755900, 2854325, 2946400, 3149600, 3196844, 3653536, 3996055, 4124960, 4409440, 4566920, 5034400, 5156200, 5511800, 5708650, 6393688, 7992110, 9133840, 10312400, 11023600, 11417300, 12787376, 15984220, 18267680, 19980275, 20624800, 22047200, 22834600, 25574752, 31968440, 39960550, 45669200, 63936880, 79921100, 91338400, 127873760, 159842200, 319684400, 639368800]

約数ペア:

[(1, 639368800), (2, 319684400), (4, 159842200), (5, 127873760), (7, 91338400), (8, 79921100), (10, 63936880), (14, 45669200), (16, 39960550), (20, 31968440), (25, 25574752), (28, 22834600), (29, 22047200), (31, 20624800), (32, 19980275), (35, 18267680), (40, 15984220), (50, 12787376), (56, 11417300), (58, 11023600), (62, 10312400), (70, 9133840), (80, 7992110), (100, 6393688), (112, 5708650), (116, 5511800), (124, 5156200), (127, 5034400), (140, 4566920), (145, 4409440), (155, 4124960), (160, 3996055), (175, 3653536), (200, 3196844), (203, 3149600), (217, 2946400), (224, 2854325), (232, 2755900), (248, 2578100), (254, 2517200), (280, 2283460), (290, 2204720), (310, 2062480), (350, 1826768), (400, 1598422), (406, 1574800), (434, 1473200), (464, 1377950), (496, 1289050), (508, 1258600), (560, 1141730), (580, 1102360), (620, 1031240), (635, 1006880), (700, 913384), (725, 881888), (775, 824992), (800, 799211), (812, 787400), (868, 736600), (889, 719200), (899, 711200), (928, 688975), (992, 644525), (1015, 629920), (1016, 629300), (1085, 589280), (1120, 570865), (1160, 551180), (1240, 515620), (1270, 503440), (1400, 456692), (1450, 440944), (1550, 412496), (1624, 393700), (1736, 368300), (1778, 359600), (1798, 355600), (2030, 314960), (2032, 314650), (2170, 294640), (2320, 275590), (2480, 257810), (2540, 251720), (2800, 228346), (2900, 220472), (3100, 206248), (3175, 201376), (3248, 196850), (3472, 184150), (3556, 179800), (3596, 177800), (3683, 173600), (3937, 162400), (4060, 157480), (4064, 157325), (4340, 147320), (4445, 143840), (4495, 142240), (4640, 137795), (4960, 128905), (5075, 125984), (5080, 125860), (5425, 117856), (5600, 114173), (5800, 110236), (6200, 103124), (6293, 101600), (6350, 100688), (6496, 98425), (6944, 92075), (7112, 89900), (7192, 88900), (7366, 86800), (7874, 81200), (8120, 78740), (8680, 73660), (8890, 71920), (8990, 71120), (10150, 62992), (10160, 62930), (10850, 58928), (11600, 55118), (12400, 51562), (12586, 50800), (12700, 50344), (14224, 44950), (14384, 44450), (14732, 43400), (15748, 40600), (16240, 39370), (17360, 36830), (17780, 35960), (17980, 35560), (18415, 34720), (19685, 32480), (20300, 31496), (20320, 31465), (21700, 29464), (22225, 28768), (22475, 28448), (23200, 27559), (24800, 25781), (25172, 25400)]