263930240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{58913}}^1$

素因数の和:58939

約数の個数: 64

約数和(自身を含む): 721107360

約数和(自身を除く): 457177120

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, 58913, 117826, 235652, 294565, 412391, 471304, 589130, 824782, 942608, 1178260, 1649564, 1885216, 2061955, 2356520, 3299128, 3770432, 4123910, 4713040, 6598256, 7540864, 8247820, 9426080, 13196512, 16495640, 18852160, 26393024, 32991280, 37704320, 52786048, 65982560, 131965120, 263930240]

約数ペア:

[(1, 263930240), (2, 131965120), (4, 65982560), (5, 52786048), (7, 37704320), (8, 32991280), (10, 26393024), (14, 18852160), (16, 16495640), (20, 13196512), (28, 9426080), (32, 8247820), (35, 7540864), (40, 6598256), (56, 4713040), (64, 4123910), (70, 3770432), (80, 3299128), (112, 2356520), (128, 2061955), (140, 1885216), (160, 1649564), (224, 1178260), (280, 942608), (320, 824782), (448, 589130), (560, 471304), (640, 412391), (896, 294565), (1120, 235652), (2240, 117826), (4480, 58913)]