7121751760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{15991}}^1$

素因数の和:16316

約数の個数: 80

約数和(自身を含む): 17490130560

約数和(自身を除く): 10368378800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 293, 304, 380, 586, 760, 1172, 1465, 1520, 2344, 2930, 4688, 5567, 5860, 11134, 11720, 15991, 22268, 23440, 27835, 31982, 44536, 55670, 63964, 79955, 89072, 111340, 127928, 159910, 222680, 255856, 303829, 319820, 445360, 607658, 639640, 1215316, 1279280, 1519145, 2430632, 3038290, 4685363, 4861264, 6076580, 9370726, 12153160, 18741452, 23426815, 24306320, 37482904, 46853630, 74965808, 89021897, 93707260, 178043794, 187414520, 356087588, 374829040, 445109485, 712175176, 890218970, 1424350352, 1780437940, 3560875880, 7121751760]

約数ペア:

[(1, 7121751760), (2, 3560875880), (4, 1780437940), (5, 1424350352), (8, 890218970), (10, 712175176), (16, 445109485), (19, 374829040), (20, 356087588), (38, 187414520), (40, 178043794), (76, 93707260), (80, 89021897), (95, 74965808), (152, 46853630), (190, 37482904), (293, 24306320), (304, 23426815), (380, 18741452), (586, 12153160), (760, 9370726), (1172, 6076580), (1465, 4861264), (1520, 4685363), (2344, 3038290), (2930, 2430632), (4688, 1519145), (5567, 1279280), (5860, 1215316), (11134, 639640), (11720, 607658), (15991, 445360), (22268, 319820), (23440, 303829), (27835, 255856), (31982, 222680), (44536, 159910), (55670, 127928), (63964, 111340), (79955, 89072)]