978120880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{18839}}^1$

素因数の和:18922

約数の個数: 80

約数和(自身を含む): 2523052800

約数和(自身を除く): 1544931920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 2360, 2596, 3245, 4720, 5192, 6490, 10384, 12980, 18839, 25960, 37678, 51920, 75356, 94195, 150712, 188390, 207229, 301424, 376780, 414458, 753560, 828916, 1036145, 1111501, 1507120, 1657832, 2072290, 2223002, 3315664, 4144580, 4446004, 5557505, 8289160, 8892008, 11115010, 12226511, 16578320, 17784016, 22230020, 24453022, 44460040, 48906044, 61132555, 88920080, 97812088, 122265110, 195624176, 244530220, 489060440, 978120880]

約数ペア:

[(1, 978120880), (2, 489060440), (4, 244530220), (5, 195624176), (8, 122265110), (10, 97812088), (11, 88920080), (16, 61132555), (20, 48906044), (22, 44460040), (40, 24453022), (44, 22230020), (55, 17784016), (59, 16578320), (80, 12226511), (88, 11115010), (110, 8892008), (118, 8289160), (176, 5557505), (220, 4446004), (236, 4144580), (295, 3315664), (440, 2223002), (472, 2072290), (590, 1657832), (649, 1507120), (880, 1111501), (944, 1036145), (1180, 828916), (1298, 753560), (2360, 414458), (2596, 376780), (3245, 301424), (4720, 207229), (5192, 188390), (6490, 150712), (10384, 94195), (12980, 75356), (18839, 51920), (25960, 37678)]