197767980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{40693}}^1$

素因数の和:40717

約数の個数: 72

約数和(自身を含む): 622129872

約数和(自身を除く): 424361892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 40693, 81386, 122079, 162772, 203465, 244158, 366237, 406930, 488316, 610395, 732474, 813860, 1098711, 1220790, 1464948, 1831185, 2197422, 2441580, 3296133, 3662370, 4394844, 5493555, 6592266, 7324740, 9888399, 10987110, 13184532, 16480665, 19776798, 21974220, 32961330, 39553596, 49441995, 65922660, 98883990, 197767980]

約数ペア:

[(1, 197767980), (2, 98883990), (3, 65922660), (4, 49441995), (5, 39553596), (6, 32961330), (9, 21974220), (10, 19776798), (12, 16480665), (15, 13184532), (18, 10987110), (20, 9888399), (27, 7324740), (30, 6592266), (36, 5493555), (45, 4394844), (54, 3662370), (60, 3296133), (81, 2441580), (90, 2197422), (108, 1831185), (135, 1464948), (162, 1220790), (180, 1098711), (243, 813860), (270, 732474), (324, 610395), (405, 488316), (486, 406930), (540, 366237), (810, 244158), (972, 203465), (1215, 162772), (1620, 122079), (2430, 81386), (4860, 40693)]