61361560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 149688000

約数和(自身を除く): 88326440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 599, 788, 985, 1198, 1576, 1970, 2396, 2561, 2995, 3940, 4792, 5122, 5990, 7787, 7880, 10244, 11980, 12805, 15574, 20488, 23960, 25610, 31148, 38935, 51220, 62296, 77870, 102440, 118003, 155740, 236006, 311480, 472012, 590015, 944024, 1180030, 1534039, 2360060, 3068078, 4720120, 6136156, 7670195, 12272312, 15340390, 30680780, 61361560]

約数ペア:

[(1, 61361560), (2, 30680780), (4, 15340390), (5, 12272312), (8, 7670195), (10, 6136156), (13, 4720120), (20, 3068078), (26, 2360060), (40, 1534039), (52, 1180030), (65, 944024), (104, 590015), (130, 472012), (197, 311480), (260, 236006), (394, 155740), (520, 118003), (599, 102440), (788, 77870), (985, 62296), (1198, 51220), (1576, 38935), (1970, 31148), (2396, 25610), (2561, 23960), (2995, 20488), (3940, 15574), (4792, 12805), (5122, 11980), (5990, 10244), (7787, 7880)]