9780454840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{175781}}^1$

素因数の和:175912

約数の個数: 64

約数和(自身を含む): 23920414560

約数和(自身を除く): 14139959720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 2140, 2782, 4280, 5564, 6955, 11128, 13910, 27820, 55640, 175781, 351562, 703124, 878905, 1406248, 1757810, 2285153, 3515620, 4570306, 7031240, 9140612, 11425765, 18281224, 18808567, 22851530, 37617134, 45703060, 75234268, 91406120, 94042835, 150468536, 188085670, 244511371, 376171340, 489022742, 752342680, 978045484, 1222556855, 1956090968, 2445113710, 4890227420, 9780454840]

約数ペア:

[(1, 9780454840), (2, 4890227420), (4, 2445113710), (5, 1956090968), (8, 1222556855), (10, 978045484), (13, 752342680), (20, 489022742), (26, 376171340), (40, 244511371), (52, 188085670), (65, 150468536), (104, 94042835), (107, 91406120), (130, 75234268), (214, 45703060), (260, 37617134), (428, 22851530), (520, 18808567), (535, 18281224), (856, 11425765), (1070, 9140612), (1391, 7031240), (2140, 4570306), (2782, 3515620), (4280, 2285153), (5564, 1757810), (6955, 1406248), (11128, 878905), (13910, 703124), (27820, 351562), (55640, 175781)]