31311480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{839}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 94348800

約数和(自身を除く): 63037320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 839, 933, 1244, 1555, 1678, 1866, 2488, 2517, 3110, 3356, 3732, 4195, 4665, 5034, 6220, 6712, 7464, 8390, 9330, 10068, 12440, 12585, 16780, 18660, 20136, 25170, 33560, 37320, 50340, 100680, 260929, 521858, 782787, 1043716, 1304645, 1565574, 2087432, 2609290, 3131148, 3913935, 5218580, 6262296, 7827870, 10437160, 15655740, 31311480]

約数ペア:

[(1, 31311480), (2, 15655740), (3, 10437160), (4, 7827870), (5, 6262296), (6, 5218580), (8, 3913935), (10, 3131148), (12, 2609290), (15, 2087432), (20, 1565574), (24, 1304645), (30, 1043716), (40, 782787), (60, 521858), (120, 260929), (311, 100680), (622, 50340), (839, 37320), (933, 33560), (1244, 25170), (1555, 20136), (1678, 18660), (1866, 16780), (2488, 12585), (2517, 12440), (3110, 10068), (3356, 9330), (3732, 8390), (4195, 7464), (4665, 6712), (5034, 6220)]