1276165760

素因数分解:

$2^7\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4441}}^1$

素因数の和:4909

約数の個数: 64

約数和(自身を含む): 3058317000

約数和(自身を除く): 1782151240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 449, 640, 898, 1796, 2245, 3592, 4441, 4490, 7184, 8882, 8980, 14368, 17764, 17960, 22205, 28736, 35528, 35920, 44410, 57472, 71056, 71840, 88820, 142112, 143680, 177640, 284224, 287360, 355280, 568448, 710560, 1421120, 1994009, 2842240, 3988018, 7976036, 9970045, 15952072, 19940090, 31904144, 39880180, 63808288, 79760360, 127616576, 159520720, 255233152, 319041440, 638082880, 1276165760]

約数ペア:

[(1, 1276165760), (2, 638082880), (4, 319041440), (5, 255233152), (8, 159520720), (10, 127616576), (16, 79760360), (20, 63808288), (32, 39880180), (40, 31904144), (64, 19940090), (80, 15952072), (128, 9970045), (160, 7976036), (320, 3988018), (449, 2842240), (640, 1994009), (898, 1421120), (1796, 710560), (2245, 568448), (3592, 355280), (4441, 287360), (4490, 284224), (7184, 177640), (8882, 143680), (8980, 142112), (14368, 88820), (17764, 71840), (17960, 71056), (22205, 57472), (28736, 44410), (35528, 35920)]