31383090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1459}}^1$

素因数の和:1711

約数の個数: 48

約数和(自身を含む): 81993600

約数和(自身を除く): 50610510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 1195, 1434, 1459, 2151, 2390, 2918, 3585, 4302, 4377, 7170, 7295, 8754, 10755, 13131, 14590, 21510, 21885, 26262, 43770, 65655, 131310, 348701, 697402, 1046103, 1743505, 2092206, 3138309, 3487010, 5230515, 6276618, 10461030, 15691545, 31383090]

約数ペア:

[(1, 31383090), (2, 15691545), (3, 10461030), (5, 6276618), (6, 5230515), (9, 3487010), (10, 3138309), (15, 2092206), (18, 1743505), (30, 1046103), (45, 697402), (90, 348701), (239, 131310), (478, 65655), (717, 43770), (1195, 26262), (1434, 21885), (1459, 21510), (2151, 14590), (2390, 13131), (2918, 10755), (3585, 8754), (4302, 7295), (4377, 7170)]