81491310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2161}}^1$

素因数の和:2593

約数の個数: 48

約数和(自身を含む): 212481360

約数和(自身を除く): 130990050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 419, 838, 1257, 2095, 2161, 2514, 3771, 4190, 4322, 6285, 6483, 7542, 10805, 12570, 12966, 18855, 19449, 21610, 32415, 37710, 38898, 64830, 97245, 194490, 905459, 1810918, 2716377, 4527295, 5432754, 8149131, 9054590, 13581885, 16298262, 27163770, 40745655, 81491310]

約数ペア:

[(1, 81491310), (2, 40745655), (3, 27163770), (5, 16298262), (6, 13581885), (9, 9054590), (10, 8149131), (15, 5432754), (18, 4527295), (30, 2716377), (45, 1810918), (90, 905459), (419, 194490), (838, 97245), (1257, 64830), (2095, 38898), (2161, 37710), (2514, 32415), (3771, 21610), (4190, 19449), (4322, 18855), (6285, 12966), (6483, 12570), (7542, 10805)]