68480640

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{1321}}^1$

素因数の和:1352

約数の個数: 160

約数和(自身を含む): 244741860

約数和(自身を除く): 176261220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1321, 1440, 1620, 1728, 1920, 2160, 2592, 2642, 2880, 3240, 3456, 3963, 4320, 5184, 5284, 5760, 6480, 6605, 7926, 8640, 10368, 10568, 11889, 12960, 13210, 15852, 17280, 19815, 21136, 23778, 25920, 26420, 31704, 35667, 39630, 42272, 47556, 51840, 52840, 59445, 63408, 71334, 79260, 84544, 95112, 105680, 107001, 118890, 126816, 142668, 158520, 169088, 178335, 190224, 211360, 214002, 237780, 253632, 285336, 317040, 356670, 380448, 422720, 428004, 475560, 507264, 535005, 570672, 634080, 713340, 760896, 845440, 856008, 951120, 1070010, 1141344, 1268160, 1426680, 1521792, 1712016, 1902240, 2140020, 2282688, 2536320, 2853360, 3424032, 3804480, 4280040, 4565376, 5706720, 6848064, 7608960, 8560080, 11413440, 13696128, 17120160, 22826880, 34240320, 68480640]

約数ペア:

[(1, 68480640), (2, 34240320), (3, 22826880), (4, 17120160), (5, 13696128), (6, 11413440), (8, 8560080), (9, 7608960), (10, 6848064), (12, 5706720), (15, 4565376), (16, 4280040), (18, 3804480), (20, 3424032), (24, 2853360), (27, 2536320), (30, 2282688), (32, 2140020), (36, 1902240), (40, 1712016), (45, 1521792), (48, 1426680), (54, 1268160), (60, 1141344), (64, 1070010), (72, 951120), (80, 856008), (81, 845440), (90, 760896), (96, 713340), (108, 634080), (120, 570672), (128, 535005), (135, 507264), (144, 475560), (160, 428004), (162, 422720), (180, 380448), (192, 356670), (216, 317040), (240, 285336), (270, 253632), (288, 237780), (320, 214002), (324, 211360), (360, 190224), (384, 178335), (405, 169088), (432, 158520), (480, 142668), (540, 126816), (576, 118890), (640, 107001), (648, 105680), (720, 95112), (810, 84544), (864, 79260), (960, 71334), (1080, 63408), (1152, 59445), (1296, 52840), (1321, 51840), (1440, 47556), (1620, 42272), (1728, 39630), (1920, 35667), (2160, 31704), (2592, 26420), (2642, 25920), (2880, 23778), (3240, 21136), (3456, 19815), (3963, 17280), (4320, 15852), (5184, 13210), (5284, 12960), (5760, 11889), (6480, 10568), (6605, 10368), (7926, 8640)]