7456280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1103}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 18182880

約数和(自身を除く): 10726600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1103, 1352, 1690, 2206, 3380, 4412, 5515, 6760, 8824, 11030, 14339, 22060, 28678, 44120, 57356, 71695, 114712, 143390, 186407, 286780, 372814, 573560, 745628, 932035, 1491256, 1864070, 3728140, 7456280]

約数ペア:

[(1, 7456280), (2, 3728140), (4, 1864070), (5, 1491256), (8, 932035), (10, 745628), (13, 573560), (20, 372814), (26, 286780), (40, 186407), (52, 143390), (65, 114712), (104, 71695), (130, 57356), (169, 44120), (260, 28678), (338, 22060), (520, 14339), (676, 11030), (845, 8824), (1103, 6760), (1352, 5515), (1690, 4412), (2206, 3380)]