2015511920

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{977}}^1$

素因数の和:1338

約数の個数: 80

約数和(自身を含む): 4754347488

約数和(自身を除く): 2738835568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 241, 428, 482, 535, 856, 964, 977, 1070, 1205, 1712, 1928, 1954, 2140, 2410, 3856, 3908, 4280, 4820, 4885, 7816, 8560, 9640, 9770, 15632, 19280, 19540, 25787, 39080, 51574, 78160, 103148, 104539, 128935, 206296, 209078, 235457, 257870, 412592, 418156, 470914, 515740, 522695, 836312, 941828, 1031480, 1045390, 1177285, 1672624, 1883656, 2062960, 2090780, 2354570, 3767312, 4181560, 4709140, 8363120, 9418280, 18836560, 25193899, 50387798, 100775596, 125969495, 201551192, 251938990, 403102384, 503877980, 1007755960, 2015511920]

約数ペア:

[(1, 2015511920), (2, 1007755960), (4, 503877980), (5, 403102384), (8, 251938990), (10, 201551192), (16, 125969495), (20, 100775596), (40, 50387798), (80, 25193899), (107, 18836560), (214, 9418280), (241, 8363120), (428, 4709140), (482, 4181560), (535, 3767312), (856, 2354570), (964, 2090780), (977, 2062960), (1070, 1883656), (1205, 1672624), (1712, 1177285), (1928, 1045390), (1954, 1031480), (2140, 941828), (2410, 836312), (3856, 522695), (3908, 515740), (4280, 470914), (4820, 418156), (4885, 412592), (7816, 257870), (8560, 235457), (9640, 209078), (9770, 206296), (15632, 128935), (19280, 104539), (19540, 103148), (25787, 78160), (39080, 51574)]