639237760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1471}}^1$

素因数の和:1594

約数の個数: 128

約数和(自身を含む): 1765693440

約数和(自身を除く): 1126455680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 160, 194, 224, 280, 320, 388, 448, 485, 560, 640, 679, 776, 896, 970, 1120, 1358, 1471, 1552, 1940, 2240, 2716, 2942, 3104, 3395, 3880, 4480, 5432, 5884, 6208, 6790, 7355, 7760, 10297, 10864, 11768, 12416, 13580, 14710, 15520, 20594, 21728, 23536, 27160, 29420, 31040, 41188, 43456, 47072, 51485, 54320, 58840, 62080, 82376, 86912, 94144, 102970, 108640, 117680, 142687, 164752, 188288, 205940, 217280, 235360, 285374, 329504, 411880, 434560, 470720, 570748, 659008, 713435, 823760, 941440, 998809, 1141496, 1318016, 1426870, 1647520, 1997618, 2282992, 2853740, 3295040, 3995236, 4565984, 4994045, 5707480, 6590080, 7990472, 9131968, 9988090, 11414960, 15980944, 18263936, 19976180, 22829920, 31961888, 39952360, 45659840, 63923776, 79904720, 91319680, 127847552, 159809440, 319618880, 639237760]

約数ペア:

[(1, 639237760), (2, 319618880), (4, 159809440), (5, 127847552), (7, 91319680), (8, 79904720), (10, 63923776), (14, 45659840), (16, 39952360), (20, 31961888), (28, 22829920), (32, 19976180), (35, 18263936), (40, 15980944), (56, 11414960), (64, 9988090), (70, 9131968), (80, 7990472), (97, 6590080), (112, 5707480), (128, 4994045), (140, 4565984), (160, 3995236), (194, 3295040), (224, 2853740), (280, 2282992), (320, 1997618), (388, 1647520), (448, 1426870), (485, 1318016), (560, 1141496), (640, 998809), (679, 941440), (776, 823760), (896, 713435), (970, 659008), (1120, 570748), (1358, 470720), (1471, 434560), (1552, 411880), (1940, 329504), (2240, 285374), (2716, 235360), (2942, 217280), (3104, 205940), (3395, 188288), (3880, 164752), (4480, 142687), (5432, 117680), (5884, 108640), (6208, 102970), (6790, 94144), (7355, 86912), (7760, 82376), (10297, 62080), (10864, 58840), (11768, 54320), (12416, 51485), (13580, 47072), (14710, 43456), (15520, 41188), (20594, 31040), (21728, 29420), (23536, 27160)]