67980420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8783}}^1$

素因数の和:8841

約数の個数: 72

約数和(自身を含む): 211026816

約数和(自身を除く): 143046396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8783, 17566, 26349, 35132, 43915, 52698, 79047, 87830, 105396, 131745, 158094, 175660, 263490, 316188, 377669, 395235, 526980, 755338, 790470, 1133007, 1510676, 1580940, 1888345, 2266014, 3399021, 3776690, 4532028, 5665035, 6798042, 7553380, 11330070, 13596084, 16995105, 22660140, 33990210, 67980420]

約数ペア:

[(1, 67980420), (2, 33990210), (3, 22660140), (4, 16995105), (5, 13596084), (6, 11330070), (9, 7553380), (10, 6798042), (12, 5665035), (15, 4532028), (18, 3776690), (20, 3399021), (30, 2266014), (36, 1888345), (43, 1580940), (45, 1510676), (60, 1133007), (86, 790470), (90, 755338), (129, 526980), (172, 395235), (180, 377669), (215, 316188), (258, 263490), (387, 175660), (430, 158094), (516, 131745), (645, 105396), (774, 87830), (860, 79047), (1290, 52698), (1548, 43915), (1935, 35132), (2580, 26349), (3870, 17566), (7740, 8783)]