28016520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33353}}^1$

素因数の和:33374

約数の個数: 64

約数和(自身を含む): 96059520

約数和(自身を除く): 68043000

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, 33353, 66706, 100059, 133412, 166765, 200118, 233471, 266824, 333530, 400236, 466942, 500295, 667060, 700413, 800472, 933884, 1000590, 1167355, 1334120, 1400826, 1867768, 2001180, 2334710, 2801652, 3502065, 4002360, 4669420, 5603304, 7004130, 9338840, 14008260, 28016520]

約数ペア:

[(1, 28016520), (2, 14008260), (3, 9338840), (4, 7004130), (5, 5603304), (6, 4669420), (7, 4002360), (8, 3502065), (10, 2801652), (12, 2334710), (14, 2001180), (15, 1867768), (20, 1400826), (21, 1334120), (24, 1167355), (28, 1000590), (30, 933884), (35, 800472), (40, 700413), (42, 667060), (56, 500295), (60, 466942), (70, 400236), (84, 333530), (105, 266824), (120, 233471), (140, 200118), (168, 166765), (210, 133412), (280, 100059), (420, 66706), (840, 33353)]