51654120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61493}}^1$

素因数の和:61514

約数の個数: 64

約数和(自身を含む): 177102720

約数和(自身を除く): 125448600

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, 61493, 122986, 184479, 245972, 307465, 368958, 430451, 491944, 614930, 737916, 860902, 922395, 1229860, 1291353, 1475832, 1721804, 1844790, 2152255, 2459720, 2582706, 3443608, 3689580, 4304510, 5165412, 6456765, 7379160, 8609020, 10330824, 12913530, 17218040, 25827060, 51654120]

約数ペア:

[(1, 51654120), (2, 25827060), (3, 17218040), (4, 12913530), (5, 10330824), (6, 8609020), (7, 7379160), (8, 6456765), (10, 5165412), (12, 4304510), (14, 3689580), (15, 3443608), (20, 2582706), (21, 2459720), (24, 2152255), (28, 1844790), (30, 1721804), (35, 1475832), (40, 1291353), (42, 1229860), (56, 922395), (60, 860902), (70, 737916), (84, 614930), (105, 491944), (120, 430451), (140, 368958), (168, 307465), (210, 245972), (280, 184479), (420, 122986), (840, 61493)]