16842840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20051}}^1$

素因数の和:20072

約数の個数: 64

約数和(自身を含む): 57749760

約数和(自身を除く): 40906920

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, 20051, 40102, 60153, 80204, 100255, 120306, 140357, 160408, 200510, 240612, 280714, 300765, 401020, 421071, 481224, 561428, 601530, 701785, 802040, 842142, 1122856, 1203060, 1403570, 1684284, 2105355, 2406120, 2807140, 3368568, 4210710, 5614280, 8421420, 16842840]

約数ペア:

[(1, 16842840), (2, 8421420), (3, 5614280), (4, 4210710), (5, 3368568), (6, 2807140), (7, 2406120), (8, 2105355), (10, 1684284), (12, 1403570), (14, 1203060), (15, 1122856), (20, 842142), (21, 802040), (24, 701785), (28, 601530), (30, 561428), (35, 481224), (40, 421071), (42, 401020), (56, 300765), (60, 280714), (70, 240612), (84, 200510), (105, 160408), (120, 140357), (140, 120306), (168, 100255), (210, 80204), (280, 60153), (420, 40102), (840, 20051)]