76860280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{877}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 198498240

約数和(自身を除く): 121637960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 877, 1252, 1565, 1754, 2191, 2504, 3130, 3508, 4382, 4385, 6139, 6260, 7016, 8764, 8770, 10955, 12278, 12520, 17528, 17540, 21910, 24556, 30695, 35080, 43820, 49112, 61390, 87640, 122780, 245560, 274501, 549002, 1098004, 1372505, 1921507, 2196008, 2745010, 3843014, 5490020, 7686028, 9607535, 10980040, 15372056, 19215070, 38430140, 76860280]

約数ペア:

[(1, 76860280), (2, 38430140), (4, 19215070), (5, 15372056), (7, 10980040), (8, 9607535), (10, 7686028), (14, 5490020), (20, 3843014), (28, 2745010), (35, 2196008), (40, 1921507), (56, 1372505), (70, 1098004), (140, 549002), (280, 274501), (313, 245560), (626, 122780), (877, 87640), (1252, 61390), (1565, 49112), (1754, 43820), (2191, 35080), (2504, 30695), (3130, 24556), (3508, 21910), (4382, 17540), (4385, 17528), (6139, 12520), (6260, 12278), (7016, 10955), (8764, 8770)]