243911720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15131}}^1$

素因数の和:15186

約数の個数: 64

約数和(自身を含む): 610122240

約数和(自身を除く): 366210520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 15131, 16120, 30262, 60524, 75655, 121048, 151310, 196703, 302620, 393406, 469061, 605240, 786812, 938122, 983515, 1573624, 1876244, 1967030, 2345305, 3752488, 3934060, 4690610, 6097793, 7868120, 9381220, 12195586, 18762440, 24391172, 30488965, 48782344, 60977930, 121955860, 243911720]

約数ペア:

[(1, 243911720), (2, 121955860), (4, 60977930), (5, 48782344), (8, 30488965), (10, 24391172), (13, 18762440), (20, 12195586), (26, 9381220), (31, 7868120), (40, 6097793), (52, 4690610), (62, 3934060), (65, 3752488), (104, 2345305), (124, 1967030), (130, 1876244), (155, 1573624), (248, 983515), (260, 938122), (310, 786812), (403, 605240), (520, 469061), (620, 393406), (806, 302620), (1240, 196703), (1612, 151310), (2015, 121048), (3224, 75655), (4030, 60524), (8060, 30262), (15131, 16120)]