64431768

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 172800000

約数和(自身を除く): 108368232

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 79, 102, 136, 158, 204, 237, 316, 408, 474, 632, 948, 1343, 1896, 1999, 2686, 3998, 4029, 5372, 5997, 7996, 8058, 10744, 11994, 15992, 16116, 23988, 32232, 33983, 47976, 67966, 101949, 135932, 157921, 203898, 271864, 315842, 407796, 473763, 631684, 815592, 947526, 1263368, 1895052, 2684657, 3790104, 5369314, 8053971, 10738628, 16107942, 21477256, 32215884, 64431768]

約数ペア:

[(1, 64431768), (2, 32215884), (3, 21477256), (4, 16107942), (6, 10738628), (8, 8053971), (12, 5369314), (17, 3790104), (24, 2684657), (34, 1895052), (51, 1263368), (68, 947526), (79, 815592), (102, 631684), (136, 473763), (158, 407796), (204, 315842), (237, 271864), (316, 203898), (408, 157921), (474, 135932), (632, 101949), (948, 67966), (1343, 47976), (1896, 33983), (1999, 32232), (2686, 23988), (3998, 16116), (4029, 15992), (5372, 11994), (5997, 10744), (7996, 8058)]