80346080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 203575680

約数和(自身を除く): 123229600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 109, 136, 160, 170, 218, 271, 272, 340, 436, 542, 544, 545, 680, 872, 1084, 1090, 1355, 1360, 1744, 1853, 2168, 2180, 2710, 2720, 3488, 3706, 4336, 4360, 4607, 5420, 7412, 8672, 8720, 9214, 9265, 10840, 14824, 17440, 18428, 18530, 21680, 23035, 29539, 29648, 36856, 37060, 43360, 46070, 59078, 59296, 73712, 74120, 92140, 118156, 147424, 147695, 148240, 184280, 236312, 295390, 296480, 368560, 472624, 502163, 590780, 737120, 945248, 1004326, 1181560, 2008652, 2363120, 2510815, 4017304, 4726240, 5021630, 8034608, 10043260, 16069216, 20086520, 40173040, 80346080]

約数ペア:

[(1, 80346080), (2, 40173040), (4, 20086520), (5, 16069216), (8, 10043260), (10, 8034608), (16, 5021630), (17, 4726240), (20, 4017304), (32, 2510815), (34, 2363120), (40, 2008652), (68, 1181560), (80, 1004326), (85, 945248), (109, 737120), (136, 590780), (160, 502163), (170, 472624), (218, 368560), (271, 296480), (272, 295390), (340, 236312), (436, 184280), (542, 148240), (544, 147695), (545, 147424), (680, 118156), (872, 92140), (1084, 74120), (1090, 73712), (1355, 59296), (1360, 59078), (1744, 46070), (1853, 43360), (2168, 37060), (2180, 36856), (2710, 29648), (2720, 29539), (3488, 23035), (3706, 21680), (4336, 18530), (4360, 18428), (4607, 17440), (5420, 14824), (7412, 10840), (8672, 9265), (8720, 9214)]