66783920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3847}}^1$

素因数の和:3898

約数の個数: 80

約数和(自身を含む): 183226368

約数和(自身を除く): 116442448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 3847, 4340, 7694, 8680, 15388, 17360, 19235, 26929, 30776, 38470, 53858, 61552, 76940, 107716, 119257, 134645, 153880, 215432, 238514, 269290, 307760, 430864, 477028, 538580, 596285, 834799, 954056, 1077160, 1192570, 1669598, 1908112, 2154320, 2385140, 3339196, 4173995, 4770280, 6678392, 8347990, 9540560, 13356784, 16695980, 33391960, 66783920]

約数ペア:

[(1, 66783920), (2, 33391960), (4, 16695980), (5, 13356784), (7, 9540560), (8, 8347990), (10, 6678392), (14, 4770280), (16, 4173995), (20, 3339196), (28, 2385140), (31, 2154320), (35, 1908112), (40, 1669598), (56, 1192570), (62, 1077160), (70, 954056), (80, 834799), (112, 596285), (124, 538580), (140, 477028), (155, 430864), (217, 307760), (248, 269290), (280, 238514), (310, 215432), (434, 153880), (496, 134645), (560, 119257), (620, 107716), (868, 76940), (1085, 61552), (1240, 53858), (1736, 38470), (2170, 30776), (2480, 26929), (3472, 19235), (3847, 17360), (4340, 15388), (7694, 8680)]