129016760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 296524800

約数和(自身を除く): 167508040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 127, 218, 233, 254, 436, 466, 508, 545, 635, 872, 932, 1016, 1090, 1165, 1270, 1864, 2180, 2330, 2540, 4360, 4660, 5080, 9320, 13843, 25397, 27686, 29591, 50794, 55372, 59182, 69215, 101588, 110744, 118364, 126985, 138430, 147955, 203176, 236728, 253970, 276860, 295910, 507940, 553720, 591820, 1015880, 1183640, 3225419, 6450838, 12901676, 16127095, 25803352, 32254190, 64508380, 129016760]

約数ペア:

[(1, 129016760), (2, 64508380), (4, 32254190), (5, 25803352), (8, 16127095), (10, 12901676), (20, 6450838), (40, 3225419), (109, 1183640), (127, 1015880), (218, 591820), (233, 553720), (254, 507940), (436, 295910), (466, 276860), (508, 253970), (545, 236728), (635, 203176), (872, 147955), (932, 138430), (1016, 126985), (1090, 118364), (1165, 110744), (1270, 101588), (1864, 69215), (2180, 59182), (2330, 55372), (2540, 50794), (4360, 29591), (4660, 27686), (5080, 25397), (9320, 13843)]