27142640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2590

約数の個数: 80

約数和(自身を含む): 75947520

約数和(自身を除く): 48804880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2551, 2660, 5102, 5320, 10204, 10640, 12755, 17857, 20408, 25510, 35714, 40816, 48469, 51020, 71428, 89285, 96938, 102040, 142856, 178570, 193876, 204080, 242345, 285712, 339283, 357140, 387752, 484690, 678566, 714280, 775504, 969380, 1357132, 1428560, 1696415, 1938760, 2714264, 3392830, 3877520, 5428528, 6785660, 13571320, 27142640]

約数ペア:

[(1, 27142640), (2, 13571320), (4, 6785660), (5, 5428528), (7, 3877520), (8, 3392830), (10, 2714264), (14, 1938760), (16, 1696415), (19, 1428560), (20, 1357132), (28, 969380), (35, 775504), (38, 714280), (40, 678566), (56, 484690), (70, 387752), (76, 357140), (80, 339283), (95, 285712), (112, 242345), (133, 204080), (140, 193876), (152, 178570), (190, 142856), (266, 102040), (280, 96938), (304, 89285), (380, 71428), (532, 51020), (560, 48469), (665, 40816), (760, 35714), (1064, 25510), (1330, 20408), (1520, 17857), (2128, 12755), (2551, 10640), (2660, 10204), (5102, 5320)]