87136980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{207469}}^1$

素因数の和:207488

約数の個数: 48

約数和(自身を含む): 278839680

約数和(自身を除く): 191702700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 207469, 414938, 622407, 829876, 1037345, 1244814, 1452283, 2074690, 2489628, 2904566, 3112035, 4149380, 4356849, 5809132, 6224070, 7261415, 8713698, 12448140, 14522830, 17427396, 21784245, 29045660, 43568490, 87136980]

約数ペア:

[(1, 87136980), (2, 43568490), (3, 29045660), (4, 21784245), (5, 17427396), (6, 14522830), (7, 12448140), (10, 8713698), (12, 7261415), (14, 6224070), (15, 5809132), (20, 4356849), (21, 4149380), (28, 3112035), (30, 2904566), (35, 2489628), (42, 2074690), (60, 1452283), (70, 1244814), (84, 1037345), (105, 829876), (140, 622407), (210, 414938), (420, 207469)]