1520786790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{889349}}^1$

素因数の和:889381

約数の個数: 48

約数和(自身を含む): 4162158000

約数和(自身を除く): 2641371210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 889349, 1778698, 2668047, 4446745, 5336094, 8004141, 8893490, 13340235, 16008282, 16897631, 26680470, 33795262, 40020705, 50692893, 80041410, 84488155, 101385786, 152078679, 168976310, 253464465, 304157358, 506928930, 760393395, 1520786790]

約数ペア:

[(1, 1520786790), (2, 760393395), (3, 506928930), (5, 304157358), (6, 253464465), (9, 168976310), (10, 152078679), (15, 101385786), (18, 84488155), (19, 80041410), (30, 50692893), (38, 40020705), (45, 33795262), (57, 26680470), (90, 16897631), (95, 16008282), (114, 13340235), (171, 8893490), (190, 8004141), (285, 5336094), (342, 4446745), (570, 2668047), (855, 1778698), (1710, 889349)]