69151280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 107623120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 220, 358, 439, 440, 716, 878, 880, 895, 1432, 1756, 1790, 1969, 2195, 2864, 3512, 3580, 3938, 4390, 4829, 7024, 7160, 7876, 8780, 9658, 9845, 14320, 15752, 17560, 19316, 19690, 24145, 31504, 35120, 38632, 39380, 48290, 77264, 78581, 78760, 96580, 157162, 157520, 193160, 314324, 386320, 392905, 628648, 785810, 864391, 1257296, 1571620, 1728782, 3143240, 3457564, 4321955, 6286480, 6915128, 8643910, 13830256, 17287820, 34575640, 69151280]

約数ペア:

[(1, 69151280), (2, 34575640), (4, 17287820), (5, 13830256), (8, 8643910), (10, 6915128), (11, 6286480), (16, 4321955), (20, 3457564), (22, 3143240), (40, 1728782), (44, 1571620), (55, 1257296), (80, 864391), (88, 785810), (110, 628648), (176, 392905), (179, 386320), (220, 314324), (358, 193160), (439, 157520), (440, 157162), (716, 96580), (878, 78760), (880, 78581), (895, 77264), (1432, 48290), (1756, 39380), (1790, 38632), (1969, 35120), (2195, 31504), (2864, 24145), (3512, 19690), (3580, 19316), (3938, 17560), (4390, 15752), (4829, 14320), (7024, 9845), (7160, 9658), (7876, 8780)]