195890560

素因数分解:

$2^7\times 5^1\times {\mathrm{307}}^1\times {\mathrm{997}}^1$

素因数の和:1323

約数の個数: 64

約数和(自身を含む): 470297520

約数和(自身を除く): 274406960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 307, 320, 614, 640, 997, 1228, 1535, 1994, 2456, 3070, 3988, 4912, 4985, 6140, 7976, 9824, 9970, 12280, 15952, 19648, 19940, 24560, 31904, 39296, 39880, 49120, 63808, 79760, 98240, 127616, 159520, 196480, 306079, 319040, 612158, 638080, 1224316, 1530395, 2448632, 3060790, 4897264, 6121580, 9794528, 12243160, 19589056, 24486320, 39178112, 48972640, 97945280, 195890560]

約数ペア:

[(1, 195890560), (2, 97945280), (4, 48972640), (5, 39178112), (8, 24486320), (10, 19589056), (16, 12243160), (20, 9794528), (32, 6121580), (40, 4897264), (64, 3060790), (80, 2448632), (128, 1530395), (160, 1224316), (307, 638080), (320, 612158), (614, 319040), (640, 306079), (997, 196480), (1228, 159520), (1535, 127616), (1994, 98240), (2456, 79760), (3070, 63808), (3988, 49120), (4912, 39880), (4985, 39296), (6140, 31904), (7976, 24560), (9824, 19940), (9970, 19648), (12280, 15952)]