64943720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 154725120

約数和(自身を除く): 89781400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 460, 584, 730, 920, 967, 1460, 1679, 1934, 2920, 3358, 3868, 4835, 6716, 7736, 8395, 9670, 13432, 16790, 19340, 22241, 33580, 38680, 44482, 67160, 70591, 88964, 111205, 141182, 177928, 222410, 282364, 352955, 444820, 564728, 705910, 889640, 1411820, 1623593, 2823640, 3247186, 6494372, 8117965, 12988744, 16235930, 32471860, 64943720]

約数ペア:

[(1, 64943720), (2, 32471860), (4, 16235930), (5, 12988744), (8, 8117965), (10, 6494372), (20, 3247186), (23, 2823640), (40, 1623593), (46, 1411820), (73, 889640), (92, 705910), (115, 564728), (146, 444820), (184, 352955), (230, 282364), (292, 222410), (365, 177928), (460, 141182), (584, 111205), (730, 88964), (920, 70591), (967, 67160), (1460, 44482), (1679, 38680), (1934, 33580), (2920, 22241), (3358, 19340), (3868, 16790), (4835, 13432), (6716, 9670), (7736, 8395)]