128652720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76579}}^1$

素因数の和:76602

約数の個数: 80

約数和(自身を含む): 455804160

約数和(自身を除く): 327151440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76579, 153158, 229737, 306316, 382895, 459474, 536053, 612632, 765790, 918948, 1072106, 1148685, 1225264, 1531580, 1608159, 1837896, 2144212, 2297370, 2680265, 3063160, 3216318, 3675792, 4288424, 4594740, 5360530, 6126320, 6432636, 8040795, 8576848, 9189480, 10721060, 12865272, 16081590, 18378960, 21442120, 25730544, 32163180, 42884240, 64326360, 128652720]

約数ペア:

[(1, 128652720), (2, 64326360), (3, 42884240), (4, 32163180), (5, 25730544), (6, 21442120), (7, 18378960), (8, 16081590), (10, 12865272), (12, 10721060), (14, 9189480), (15, 8576848), (16, 8040795), (20, 6432636), (21, 6126320), (24, 5360530), (28, 4594740), (30, 4288424), (35, 3675792), (40, 3216318), (42, 3063160), (48, 2680265), (56, 2297370), (60, 2144212), (70, 1837896), (80, 1608159), (84, 1531580), (105, 1225264), (112, 1148685), (120, 1072106), (140, 918948), (168, 765790), (210, 612632), (240, 536053), (280, 459474), (336, 382895), (420, 306316), (560, 229737), (840, 153158), (1680, 76579)]