11515679920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1\times {\mathrm{4049}}^1$

素因数の和:4622

約数の個数: 80

約数和(自身を含む): 27203169600

約数和(自身を除く): 15687489680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 487, 584, 730, 974, 1168, 1460, 1948, 2435, 2920, 3896, 4049, 4870, 5840, 7792, 8098, 9740, 16196, 19480, 20245, 32392, 35551, 38960, 40490, 64784, 71102, 80980, 142204, 161960, 177755, 284408, 295577, 323920, 355510, 568816, 591154, 711020, 1182308, 1422040, 1477885, 1971863, 2364616, 2844080, 2955770, 3943726, 4729232, 5911540, 7887452, 9859315, 11823080, 15774904, 19718630, 23646160, 31549808, 39437260, 78874520, 143945999, 157749040, 287891998, 575783996, 719729995, 1151567992, 1439459990, 2303135984, 2878919980, 5757839960, 11515679920]

約数ペア:

[(1, 11515679920), (2, 5757839960), (4, 2878919980), (5, 2303135984), (8, 1439459990), (10, 1151567992), (16, 719729995), (20, 575783996), (40, 287891998), (73, 157749040), (80, 143945999), (146, 78874520), (292, 39437260), (365, 31549808), (487, 23646160), (584, 19718630), (730, 15774904), (974, 11823080), (1168, 9859315), (1460, 7887452), (1948, 5911540), (2435, 4729232), (2920, 3943726), (3896, 2955770), (4049, 2844080), (4870, 2364616), (5840, 1971863), (7792, 1477885), (8098, 1422040), (9740, 1182308), (16196, 711020), (19480, 591154), (20245, 568816), (32392, 355510), (35551, 323920), (38960, 295577), (40490, 284408), (64784, 177755), (71102, 161960), (80980, 142204)]