72857360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 174845952

約数和(自身を除く): 101988592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 101, 127, 142, 202, 254, 284, 355, 404, 505, 508, 568, 635, 710, 808, 1010, 1016, 1136, 1270, 1420, 1616, 2020, 2032, 2540, 2840, 4040, 5080, 5680, 7171, 8080, 9017, 10160, 12827, 14342, 18034, 25654, 28684, 35855, 36068, 45085, 51308, 57368, 64135, 71710, 72136, 90170, 102616, 114736, 128270, 143420, 144272, 180340, 205232, 256540, 286840, 360680, 513080, 573680, 721360, 910717, 1026160, 1821434, 3642868, 4553585, 7285736, 9107170, 14571472, 18214340, 36428680, 72857360]

約数ペア:

[(1, 72857360), (2, 36428680), (4, 18214340), (5, 14571472), (8, 9107170), (10, 7285736), (16, 4553585), (20, 3642868), (40, 1821434), (71, 1026160), (80, 910717), (101, 721360), (127, 573680), (142, 513080), (202, 360680), (254, 286840), (284, 256540), (355, 205232), (404, 180340), (505, 144272), (508, 143420), (568, 128270), (635, 114736), (710, 102616), (808, 90170), (1010, 72136), (1016, 71710), (1136, 64135), (1270, 57368), (1420, 51308), (1616, 45085), (2020, 36068), (2032, 35855), (2540, 28684), (2840, 25654), (4040, 18034), (5080, 14342), (5680, 12827), (7171, 10160), (8080, 9017)]