87818220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69697}}^1$

素因数の和:69719

約数の個数: 72

約数和(自身を含む): 304440864

約数和(自身を除く): 216622644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 69697, 139394, 209091, 278788, 348485, 418182, 487879, 627273, 696970, 836364, 975758, 1045455, 1254546, 1393940, 1463637, 1951516, 2090910, 2439395, 2509092, 2927274, 3136365, 4181820, 4390911, 4878790, 5854548, 6272730, 7318185, 8781822, 9757580, 12545460, 14636370, 17563644, 21954555, 29272740, 43909110, 87818220]

約数ペア:

[(1, 87818220), (2, 43909110), (3, 29272740), (4, 21954555), (5, 17563644), (6, 14636370), (7, 12545460), (9, 9757580), (10, 8781822), (12, 7318185), (14, 6272730), (15, 5854548), (18, 4878790), (20, 4390911), (21, 4181820), (28, 3136365), (30, 2927274), (35, 2509092), (36, 2439395), (42, 2090910), (45, 1951516), (60, 1463637), (63, 1393940), (70, 1254546), (84, 1045455), (90, 975758), (105, 836364), (126, 696970), (140, 627273), (180, 487879), (210, 418182), (252, 348485), (315, 278788), (420, 209091), (630, 139394), (1260, 69697)]