1320287540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461639}}^1$

素因数の和:461672

約数の個数: 48

約数和(自身を含む): 3257331840

約数和(自身を除く): 1937044300

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 461639, 923278, 1846556, 2308195, 4616390, 5078029, 6001307, 9232780, 10156058, 12002614, 20312116, 24005228, 25390145, 30006535, 50780290, 60013070, 66014377, 101560580, 120026140, 132028754, 264057508, 330071885, 660143770, 1320287540]

約数ペア:

[(1, 1320287540), (2, 660143770), (4, 330071885), (5, 264057508), (10, 132028754), (11, 120026140), (13, 101560580), (20, 66014377), (22, 60013070), (26, 50780290), (44, 30006535), (52, 25390145), (55, 24005228), (65, 20312116), (110, 12002614), (130, 10156058), (143, 9232780), (220, 6001307), (260, 5078029), (286, 4616390), (572, 2308195), (715, 1846556), (1430, 923278), (2860, 461639)]