7251440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 20141568

約数和(自身を除く): 12890128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 563, 644, 805, 920, 1126, 1288, 1610, 1840, 2252, 2576, 2815, 3220, 3941, 4504, 5630, 6440, 7882, 9008, 11260, 12880, 12949, 15764, 19705, 22520, 25898, 31528, 39410, 45040, 51796, 63056, 64745, 78820, 90643, 103592, 129490, 157640, 181286, 207184, 258980, 315280, 362572, 453215, 517960, 725144, 906430, 1035920, 1450288, 1812860, 3625720, 7251440]

約数ペア:

[(1, 7251440), (2, 3625720), (4, 1812860), (5, 1450288), (7, 1035920), (8, 906430), (10, 725144), (14, 517960), (16, 453215), (20, 362572), (23, 315280), (28, 258980), (35, 207184), (40, 181286), (46, 157640), (56, 129490), (70, 103592), (80, 90643), (92, 78820), (112, 64745), (115, 63056), (140, 51796), (161, 45040), (184, 39410), (230, 31528), (280, 25898), (322, 22520), (368, 19705), (460, 15764), (560, 12949), (563, 12880), (644, 11260), (805, 9008), (920, 7882), (1126, 6440), (1288, 5630), (1610, 4504), (1840, 3941), (2252, 3220), (2576, 2815)]