256550560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1638

約数の個数: 96

約数和(自身を含む): 697576320

約数和(自身を除く): 441025760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 224, 280, 314, 560, 628, 785, 1099, 1120, 1256, 1459, 1570, 2198, 2512, 2918, 3140, 4396, 5024, 5495, 5836, 6280, 7295, 8792, 10213, 10990, 11672, 12560, 14590, 17584, 20426, 21980, 23344, 25120, 29180, 35168, 40852, 43960, 46688, 51065, 58360, 81704, 87920, 102130, 116720, 163408, 175840, 204260, 229063, 233440, 326816, 408520, 458126, 817040, 916252, 1145315, 1603441, 1634080, 1832504, 2290630, 3206882, 3665008, 4581260, 6413764, 7330016, 8017205, 9162520, 12827528, 16034410, 18325040, 25655056, 32068820, 36650080, 51310112, 64137640, 128275280, 256550560]

約数ペア:

[(1, 256550560), (2, 128275280), (4, 64137640), (5, 51310112), (7, 36650080), (8, 32068820), (10, 25655056), (14, 18325040), (16, 16034410), (20, 12827528), (28, 9162520), (32, 8017205), (35, 7330016), (40, 6413764), (56, 4581260), (70, 3665008), (80, 3206882), (112, 2290630), (140, 1832504), (157, 1634080), (160, 1603441), (224, 1145315), (280, 916252), (314, 817040), (560, 458126), (628, 408520), (785, 326816), (1099, 233440), (1120, 229063), (1256, 204260), (1459, 175840), (1570, 163408), (2198, 116720), (2512, 102130), (2918, 87920), (3140, 81704), (4396, 58360), (5024, 51065), (5495, 46688), (5836, 43960), (6280, 40852), (7295, 35168), (8792, 29180), (10213, 25120), (10990, 23344), (11672, 21980), (12560, 20426), (14590, 17584)]