1680472690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{2137}}^1$

素因数の和:2443

約数の個数: 64

約数和(自身を含む): 3413684736

約数和(自身を除く): 1733212046

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 263, 299, 526, 598, 1315, 1495, 2137, 2630, 2990, 3419, 4274, 6049, 6838, 10685, 12098, 17095, 21370, 27781, 30245, 34190, 49151, 55562, 60490, 78637, 98302, 138905, 157274, 245755, 277810, 393185, 491510, 562031, 638963, 786370, 1124062, 1277926, 2810155, 3194815, 5620310, 6389630, 7306403, 12926713, 14612806, 25853426, 36532015, 64633565, 73064030, 129267130, 168047269, 336094538, 840236345, 1680472690]

約数ペア:

[(1, 1680472690), (2, 840236345), (5, 336094538), (10, 168047269), (13, 129267130), (23, 73064030), (26, 64633565), (46, 36532015), (65, 25853426), (115, 14612806), (130, 12926713), (230, 7306403), (263, 6389630), (299, 5620310), (526, 3194815), (598, 2810155), (1315, 1277926), (1495, 1124062), (2137, 786370), (2630, 638963), (2990, 562031), (3419, 491510), (4274, 393185), (6049, 277810), (6838, 245755), (10685, 157274), (12098, 138905), (17095, 98302), (21370, 78637), (27781, 60490), (30245, 55562), (34190, 49151)]