87325280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{77969}}^1$

素因数の和:77991

約数の個数: 48

約数和(自身を含む): 235781280

約数和(自身を除く): 148456000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 77969, 155938, 311876, 389845, 545783, 623752, 779690, 1091566, 1247504, 1559380, 2183132, 2495008, 2728915, 3118760, 4366264, 5457830, 6237520, 8732528, 10915660, 12475040, 17465056, 21831320, 43662640, 87325280]

約数ペア:

[(1, 87325280), (2, 43662640), (4, 21831320), (5, 17465056), (7, 12475040), (8, 10915660), (10, 8732528), (14, 6237520), (16, 5457830), (20, 4366264), (28, 3118760), (32, 2728915), (35, 2495008), (40, 2183132), (56, 1559380), (70, 1247504), (80, 1091566), (112, 779690), (140, 623752), (160, 545783), (224, 389845), (280, 311876), (560, 155938), (1120, 77969)]