127206520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23911}}^1$

素因数の和:23948

約数の個数: 64

約数和(自身を含む): 344332800

約数和(自身を除く): 217126280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 23911, 47822, 95644, 119555, 167377, 191288, 239110, 334754, 454309, 478220, 669508, 836885, 908618, 956440, 1339016, 1673770, 1817236, 2271545, 3180163, 3347540, 3634472, 4543090, 6360326, 6695080, 9086180, 12720652, 15900815, 18172360, 25441304, 31801630, 63603260, 127206520]

約数ペア:

[(1, 127206520), (2, 63603260), (4, 31801630), (5, 25441304), (7, 18172360), (8, 15900815), (10, 12720652), (14, 9086180), (19, 6695080), (20, 6360326), (28, 4543090), (35, 3634472), (38, 3347540), (40, 3180163), (56, 2271545), (70, 1817236), (76, 1673770), (95, 1339016), (133, 956440), (140, 908618), (152, 836885), (190, 669508), (266, 478220), (280, 454309), (380, 334754), (532, 239110), (665, 191288), (760, 167377), (1064, 119555), (1330, 95644), (2660, 47822), (5320, 23911)]