255634740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74747}}^1$

素因数の和:74781

約数の個数: 72

約数和(自身を含む): 816248160

約数和(自身を除く): 560613420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 74747, 149494, 224241, 298988, 373735, 448482, 672723, 747470, 896964, 1121205, 1345446, 1420193, 1494940, 2242410, 2690892, 2840386, 3363615, 4260579, 4484820, 5680772, 6727230, 7100965, 8521158, 12781737, 13454460, 14201930, 17042316, 21302895, 25563474, 28403860, 42605790, 51126948, 63908685, 85211580, 127817370, 255634740]

約数ペア:

[(1, 255634740), (2, 127817370), (3, 85211580), (4, 63908685), (5, 51126948), (6, 42605790), (9, 28403860), (10, 25563474), (12, 21302895), (15, 17042316), (18, 14201930), (19, 13454460), (20, 12781737), (30, 8521158), (36, 7100965), (38, 6727230), (45, 5680772), (57, 4484820), (60, 4260579), (76, 3363615), (90, 2840386), (95, 2690892), (114, 2242410), (171, 1494940), (180, 1420193), (190, 1345446), (228, 1121205), (285, 896964), (342, 747470), (380, 672723), (570, 448482), (684, 373735), (855, 298988), (1140, 224241), (1710, 149494), (3420, 74747)]