72719660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{719}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 92390740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 719, 778, 1438, 1556, 1945, 2876, 3595, 3890, 5057, 7190, 7780, 9347, 10114, 14380, 18694, 20228, 25285, 37388, 46735, 50570, 93470, 101140, 186940, 279691, 559382, 1118764, 1398455, 2796910, 3635983, 5593820, 7271966, 14543932, 18179915, 36359830, 72719660]

約数ペア:

[(1, 72719660), (2, 36359830), (4, 18179915), (5, 14543932), (10, 7271966), (13, 5593820), (20, 3635983), (26, 2796910), (52, 1398455), (65, 1118764), (130, 559382), (260, 279691), (389, 186940), (719, 101140), (778, 93470), (1438, 50570), (1556, 46735), (1945, 37388), (2876, 25285), (3595, 20228), (3890, 18694), (5057, 14380), (7190, 10114), (7780, 9347)]