131538120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{156593}}^1$

素因数の和:156614

約数の個数: 64

約数和(自身を含む): 450990720

約数和(自身を除く): 319452600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 156593, 313186, 469779, 626372, 782965, 939558, 1096151, 1252744, 1565930, 1879116, 2192302, 2348895, 3131860, 3288453, 3758232, 4384604, 4697790, 5480755, 6263720, 6576906, 8769208, 9395580, 10961510, 13153812, 16442265, 18791160, 21923020, 26307624, 32884530, 43846040, 65769060, 131538120]

約数ペア:

[(1, 131538120), (2, 65769060), (3, 43846040), (4, 32884530), (5, 26307624), (6, 21923020), (7, 18791160), (8, 16442265), (10, 13153812), (12, 10961510), (14, 9395580), (15, 8769208), (20, 6576906), (21, 6263720), (24, 5480755), (28, 4697790), (30, 4384604), (35, 3758232), (40, 3288453), (42, 3131860), (56, 2348895), (60, 2192302), (70, 1879116), (84, 1565930), (105, 1252744), (120, 1096151), (140, 939558), (168, 782965), (210, 626372), (280, 469779), (420, 313186), (840, 156593)]