7612640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{971}}^1$

素因数の和:1000

約数の個数: 72

約数和(自身を含む): 20942712

約数和(自身を除く): 13330072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 971, 980, 1120, 1568, 1942, 1960, 3884, 3920, 4855, 6797, 7768, 7840, 9710, 13594, 15536, 19420, 27188, 31072, 33985, 38840, 47579, 54376, 67970, 77680, 95158, 108752, 135940, 155360, 190316, 217504, 237895, 271880, 380632, 475790, 543760, 761264, 951580, 1087520, 1522528, 1903160, 3806320, 7612640]

約数ペア:

[(1, 7612640), (2, 3806320), (4, 1903160), (5, 1522528), (7, 1087520), (8, 951580), (10, 761264), (14, 543760), (16, 475790), (20, 380632), (28, 271880), (32, 237895), (35, 217504), (40, 190316), (49, 155360), (56, 135940), (70, 108752), (80, 95158), (98, 77680), (112, 67970), (140, 54376), (160, 47579), (196, 38840), (224, 33985), (245, 31072), (280, 27188), (392, 19420), (490, 15536), (560, 13594), (784, 9710), (971, 7840), (980, 7768), (1120, 6797), (1568, 4855), (1942, 3920), (1960, 3884)]