653670680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{66161}}^1$

素因数の和:66204

約数の個数: 64

約数和(自身を含む): 1667282400

約数和(自身を除く): 1013611720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 66161, 132322, 264644, 330805, 529288, 661610, 860093, 1257059, 1323220, 1720186, 2514118, 2646440, 3440372, 4300465, 5028236, 6285295, 6880744, 8600930, 10056472, 12570590, 16341767, 17201860, 25141180, 32683534, 34403720, 50282360, 65367068, 81708835, 130734136, 163417670, 326835340, 653670680]

約数ペア:

[(1, 653670680), (2, 326835340), (4, 163417670), (5, 130734136), (8, 81708835), (10, 65367068), (13, 50282360), (19, 34403720), (20, 32683534), (26, 25141180), (38, 17201860), (40, 16341767), (52, 12570590), (65, 10056472), (76, 8600930), (95, 6880744), (104, 6285295), (130, 5028236), (152, 4300465), (190, 3440372), (247, 2646440), (260, 2514118), (380, 1720186), (494, 1323220), (520, 1257059), (760, 860093), (988, 661610), (1235, 529288), (1976, 330805), (2470, 264644), (4940, 132322), (9880, 66161)]