138681660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{177797}}^1$

素因数の和:177822

約数の個数: 48

約数和(自身を含む): 418180896

約数和(自身を除く): 279499236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 177797, 355594, 533391, 711188, 888985, 1066782, 1777970, 2133564, 2311361, 2666955, 3555940, 4622722, 5333910, 6934083, 9245444, 10667820, 11556805, 13868166, 23113610, 27736332, 34670415, 46227220, 69340830, 138681660]

約数ペア:

[(1, 138681660), (2, 69340830), (3, 46227220), (4, 34670415), (5, 27736332), (6, 23113610), (10, 13868166), (12, 11556805), (13, 10667820), (15, 9245444), (20, 6934083), (26, 5333910), (30, 4622722), (39, 3555940), (52, 2666955), (60, 2311361), (65, 2133564), (78, 1777970), (130, 1066782), (156, 888985), (195, 711188), (260, 533391), (390, 355594), (780, 177797)]