64321880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13513}}^1$

素因数の和:13548

約数の個数: 64

約数和(自身を含む): 175141440

約数和(自身を除く): 110819560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 13513, 27026, 54052, 67565, 94591, 108104, 135130, 189182, 229721, 270260, 378364, 459442, 472955, 540520, 756728, 918884, 945910, 1148605, 1608047, 1837768, 1891820, 2297210, 3216094, 3783640, 4594420, 6432188, 8040235, 9188840, 12864376, 16080470, 32160940, 64321880]

約数ペア:

[(1, 64321880), (2, 32160940), (4, 16080470), (5, 12864376), (7, 9188840), (8, 8040235), (10, 6432188), (14, 4594420), (17, 3783640), (20, 3216094), (28, 2297210), (34, 1891820), (35, 1837768), (40, 1608047), (56, 1148605), (68, 945910), (70, 918884), (85, 756728), (119, 540520), (136, 472955), (140, 459442), (170, 378364), (238, 270260), (280, 229721), (340, 189182), (476, 135130), (595, 108104), (680, 94591), (952, 67565), (1190, 54052), (2380, 27026), (4760, 13513)]