89870080

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 218985984

約数和(自身を除く): 129115904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1151, 1220, 1280, 1952, 2302, 2440, 3904, 4604, 4880, 5755, 7808, 9208, 9760, 11510, 15616, 18416, 19520, 23020, 36832, 39040, 46040, 70211, 73664, 78080, 92080, 140422, 147328, 184160, 280844, 294656, 351055, 368320, 561688, 702110, 736640, 1123376, 1404220, 1473280, 2246752, 2808440, 4493504, 5616880, 8987008, 11233760, 17974016, 22467520, 44935040, 89870080]

約数ペア:

[(1, 89870080), (2, 44935040), (4, 22467520), (5, 17974016), (8, 11233760), (10, 8987008), (16, 5616880), (20, 4493504), (32, 2808440), (40, 2246752), (61, 1473280), (64, 1404220), (80, 1123376), (122, 736640), (128, 702110), (160, 561688), (244, 368320), (256, 351055), (305, 294656), (320, 280844), (488, 184160), (610, 147328), (640, 140422), (976, 92080), (1151, 78080), (1220, 73664), (1280, 70211), (1952, 46040), (2302, 39040), (2440, 36832), (3904, 23020), (4604, 19520), (4880, 18416), (5755, 15616), (7808, 11510), (9208, 9760)]