257894460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10937}}^1$

素因数の和:11083

約数の個数: 72

約数和(自身を含む): 788323536

約数和(自身を除く): 530429076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 10937, 11790, 21874, 23580, 32811, 43748, 54685, 65622, 98433, 109370, 131244, 164055, 196866, 218740, 328110, 393732, 492165, 656220, 984330, 1432747, 1968660, 2865494, 4298241, 5730988, 7163735, 8596482, 12894723, 14327470, 17192964, 21491205, 25789446, 28654940, 42982410, 51578892, 64473615, 85964820, 128947230, 257894460]

約数ペア:

[(1, 257894460), (2, 128947230), (3, 85964820), (4, 64473615), (5, 51578892), (6, 42982410), (9, 28654940), (10, 25789446), (12, 21491205), (15, 17192964), (18, 14327470), (20, 12894723), (30, 8596482), (36, 7163735), (45, 5730988), (60, 4298241), (90, 2865494), (131, 1968660), (180, 1432747), (262, 984330), (393, 656220), (524, 492165), (655, 393732), (786, 328110), (1179, 218740), (1310, 196866), (1572, 164055), (1965, 131244), (2358, 109370), (2620, 98433), (3930, 65622), (4716, 54685), (5895, 43748), (7860, 32811), (10937, 23580), (11790, 21874)]