31185280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6987

約数の個数: 64

約数和(自身を含む): 85214880

約数和(自身を除く): 54029600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6961, 13922, 27844, 34805, 48727, 55688, 69610, 97454, 111376, 139220, 194908, 222752, 243635, 278440, 389816, 445504, 487270, 556880, 779632, 891008, 974540, 1113760, 1559264, 1949080, 2227520, 3118528, 3898160, 4455040, 6237056, 7796320, 15592640, 31185280]

約数ペア:

[(1, 31185280), (2, 15592640), (4, 7796320), (5, 6237056), (7, 4455040), (8, 3898160), (10, 3118528), (14, 2227520), (16, 1949080), (20, 1559264), (28, 1113760), (32, 974540), (35, 891008), (40, 779632), (56, 556880), (64, 487270), (70, 445504), (80, 389816), (112, 278440), (128, 243635), (140, 222752), (160, 194908), (224, 139220), (280, 111376), (320, 97454), (448, 69610), (560, 55688), (640, 48727), (896, 34805), (1120, 27844), (2240, 13922), (4480, 6961)]