68767580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 171678528

約数和(自身を除く): 102910948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1493, 1645, 2303, 2986, 3290, 4606, 5972, 6580, 7465, 9212, 10451, 11515, 14930, 20902, 23030, 29860, 41804, 46060, 52255, 70171, 73157, 104510, 140342, 146314, 209020, 280684, 292628, 350855, 365785, 491197, 701710, 731570, 982394, 1403420, 1463140, 1964788, 2455985, 3438379, 4911970, 6876758, 9823940, 13753516, 17191895, 34383790, 68767580]

約数ペア:

[(1, 68767580), (2, 34383790), (4, 17191895), (5, 13753516), (7, 9823940), (10, 6876758), (14, 4911970), (20, 3438379), (28, 2455985), (35, 1964788), (47, 1463140), (49, 1403420), (70, 982394), (94, 731570), (98, 701710), (140, 491197), (188, 365785), (196, 350855), (235, 292628), (245, 280684), (329, 209020), (470, 146314), (490, 140342), (658, 104510), (940, 73157), (980, 70171), (1316, 52255), (1493, 46060), (1645, 41804), (2303, 29860), (2986, 23030), (3290, 20902), (4606, 14930), (5972, 11515), (6580, 10451), (7465, 9212)]