72715890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{186451}}^1$

素因数の和:186474

約数の個数: 32

約数和(自身を含む): 187943616

約数和(自身を除く): 115227726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 186451, 372902, 559353, 932255, 1118706, 1864510, 2423863, 2796765, 4847726, 5593530, 7271589, 12119315, 14543178, 24238630, 36357945, 72715890]

約数ペア:

[(1, 72715890), (2, 36357945), (3, 24238630), (5, 14543178), (6, 12119315), (10, 7271589), (13, 5593530), (15, 4847726), (26, 2796765), (30, 2423863), (39, 1864510), (65, 1118706), (78, 932255), (130, 559353), (195, 372902), (390, 186451)]