78605240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2143}}^1$

素因数の和:2292

約数の個数: 64

約数和(自身を含む): 203765760

約数和(自身を除く): 125160520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2143, 2620, 3668, 4286, 4585, 5240, 7336, 8572, 9170, 10715, 15001, 17144, 18340, 21430, 30002, 36680, 42860, 60004, 75005, 85720, 120008, 150010, 280733, 300020, 561466, 600040, 1122932, 1403665, 1965131, 2245864, 2807330, 3930262, 5614660, 7860524, 9825655, 11229320, 15721048, 19651310, 39302620, 78605240]

約数ペア:

[(1, 78605240), (2, 39302620), (4, 19651310), (5, 15721048), (7, 11229320), (8, 9825655), (10, 7860524), (14, 5614660), (20, 3930262), (28, 2807330), (35, 2245864), (40, 1965131), (56, 1403665), (70, 1122932), (131, 600040), (140, 561466), (262, 300020), (280, 280733), (524, 150010), (655, 120008), (917, 85720), (1048, 75005), (1310, 60004), (1834, 42860), (2143, 36680), (2620, 30002), (3668, 21430), (4286, 18340), (4585, 17144), (5240, 15001), (7336, 10715), (8572, 9170)]