64771840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7229}}^1$

素因数の和:7257

約数の個数: 72

約数和(自身を含む): 177337440

約数和(自身を除く): 112565600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 7229, 8960, 14458, 28916, 36145, 50603, 57832, 72290, 101206, 115664, 144580, 202412, 231328, 253015, 289160, 404824, 462656, 506030, 578320, 809648, 925312, 1012060, 1156640, 1619296, 1850624, 2024120, 2313280, 3238592, 4048240, 4626560, 6477184, 8096480, 9253120, 12954368, 16192960, 32385920, 64771840]

約数ペア:

[(1, 64771840), (2, 32385920), (4, 16192960), (5, 12954368), (7, 9253120), (8, 8096480), (10, 6477184), (14, 4626560), (16, 4048240), (20, 3238592), (28, 2313280), (32, 2024120), (35, 1850624), (40, 1619296), (56, 1156640), (64, 1012060), (70, 925312), (80, 809648), (112, 578320), (128, 506030), (140, 462656), (160, 404824), (224, 289160), (256, 253015), (280, 231328), (320, 202412), (448, 144580), (560, 115664), (640, 101206), (896, 72290), (1120, 57832), (1280, 50603), (1792, 36145), (2240, 28916), (4480, 14458), (7229, 8960)]