78567180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18443}}^1$

素因数の和:18526

約数の個数: 48

約数和(自身を含む): 223098624

約数和(自身を除く): 144531444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18443, 36886, 55329, 73772, 92215, 110658, 184430, 221316, 276645, 368860, 553290, 1106580, 1309453, 2618906, 3928359, 5237812, 6547265, 7856718, 13094530, 15713436, 19641795, 26189060, 39283590, 78567180]

約数ペア:

[(1, 78567180), (2, 39283590), (3, 26189060), (4, 19641795), (5, 15713436), (6, 13094530), (10, 7856718), (12, 6547265), (15, 5237812), (20, 3928359), (30, 2618906), (60, 1309453), (71, 1106580), (142, 553290), (213, 368860), (284, 276645), (355, 221316), (426, 184430), (710, 110658), (852, 92215), (1065, 73772), (1420, 55329), (2130, 36886), (4260, 18443)]