205705920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{4373}}^1$

素因数の和:4407

約数の個数: 168

約数和(自身を含む): 759921264

約数和(自身を除く): 554215344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4373, 4704, 5880, 6720, 7840, 8746, 9408, 11760, 13119, 15680, 17492, 21865, 23520, 26238, 30611, 34984, 43730, 47040, 52476, 61222, 65595, 69968, 87460, 91833, 104952, 122444, 131190, 139936, 153055, 174920, 183666, 209904, 214277, 244888, 262380, 279872, 306110, 349840, 367332, 419808, 428554, 459165, 489776, 524760, 612220, 642831, 699680, 734664, 839616, 857108, 918330, 979552, 1049520, 1071385, 1224440, 1285662, 1399360, 1469328, 1714216, 1836660, 1959104, 2099040, 2142770, 2448880, 2571324, 2938656, 3214155, 3428432, 3673320, 4198080, 4285540, 4897760, 5142648, 5877312, 6428310, 6856864, 7346640, 8571080, 9795520, 10285296, 12856620, 13713728, 14693280, 17142160, 20570592, 25713240, 29386560, 34284320, 41141184, 51426480, 68568640, 102852960, 205705920]

約数ペア:

[(1, 205705920), (2, 102852960), (3, 68568640), (4, 51426480), (5, 41141184), (6, 34284320), (7, 29386560), (8, 25713240), (10, 20570592), (12, 17142160), (14, 14693280), (15, 13713728), (16, 12856620), (20, 10285296), (21, 9795520), (24, 8571080), (28, 7346640), (30, 6856864), (32, 6428310), (35, 5877312), (40, 5142648), (42, 4897760), (48, 4285540), (49, 4198080), (56, 3673320), (60, 3428432), (64, 3214155), (70, 2938656), (80, 2571324), (84, 2448880), (96, 2142770), (98, 2099040), (105, 1959104), (112, 1836660), (120, 1714216), (140, 1469328), (147, 1399360), (160, 1285662), (168, 1224440), (192, 1071385), (196, 1049520), (210, 979552), (224, 918330), (240, 857108), (245, 839616), (280, 734664), (294, 699680), (320, 642831), (336, 612220), (392, 524760), (420, 489776), (448, 459165), (480, 428554), (490, 419808), (560, 367332), (588, 349840), (672, 306110), (735, 279872), (784, 262380), (840, 244888), (960, 214277), (980, 209904), (1120, 183666), (1176, 174920), (1344, 153055), (1470, 139936), (1568, 131190), (1680, 122444), (1960, 104952), (2240, 91833), (2352, 87460), (2940, 69968), (3136, 65595), (3360, 61222), (3920, 52476), (4373, 47040), (4704, 43730), (5880, 34984), (6720, 30611), (7840, 26238), (8746, 23520), (9408, 21865), (11760, 17492), (13119, 15680)]