7641040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 20445120

約数和(自身を除く): 12804080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 457, 760, 836, 880, 914, 1045, 1520, 1672, 1828, 2090, 2285, 3344, 3656, 4180, 4570, 5027, 7312, 8360, 8683, 9140, 10054, 16720, 17366, 18280, 20108, 25135, 34732, 36560, 40216, 43415, 50270, 69464, 80432, 86830, 95513, 100540, 138928, 173660, 191026, 201080, 347320, 382052, 402160, 477565, 694640, 764104, 955130, 1528208, 1910260, 3820520, 7641040]

約数ペア:

[(1, 7641040), (2, 3820520), (4, 1910260), (5, 1528208), (8, 955130), (10, 764104), (11, 694640), (16, 477565), (19, 402160), (20, 382052), (22, 347320), (38, 201080), (40, 191026), (44, 173660), (55, 138928), (76, 100540), (80, 95513), (88, 86830), (95, 80432), (110, 69464), (152, 50270), (176, 43415), (190, 40216), (209, 36560), (220, 34732), (304, 25135), (380, 20108), (418, 18280), (440, 17366), (457, 16720), (760, 10054), (836, 9140), (880, 8683), (914, 8360), (1045, 7312), (1520, 5027), (1672, 4570), (1828, 4180), (2090, 3656), (2285, 3344)]