251376720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{149629}}^1$

素因数の和:149652

約数の個数: 80

約数和(自身を含む): 890597760

約数和(自身を除く): 639221040

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, 149629, 299258, 448887, 598516, 748145, 897774, 1047403, 1197032, 1496290, 1795548, 2094806, 2244435, 2394064, 2992580, 3142209, 3591096, 4189612, 4488870, 5237015, 5985160, 6284418, 7182192, 8379224, 8977740, 10474030, 11970320, 12568836, 15711045, 16758448, 17955480, 20948060, 25137672, 31422090, 35910960, 41896120, 50275344, 62844180, 83792240, 125688360, 251376720]

約数ペア:

[(1, 251376720), (2, 125688360), (3, 83792240), (4, 62844180), (5, 50275344), (6, 41896120), (7, 35910960), (8, 31422090), (10, 25137672), (12, 20948060), (14, 17955480), (15, 16758448), (16, 15711045), (20, 12568836), (21, 11970320), (24, 10474030), (28, 8977740), (30, 8379224), (35, 7182192), (40, 6284418), (42, 5985160), (48, 5237015), (56, 4488870), (60, 4189612), (70, 3591096), (80, 3142209), (84, 2992580), (105, 2394064), (112, 2244435), (120, 2094806), (140, 1795548), (168, 1496290), (210, 1197032), (240, 1047403), (280, 897774), (336, 748145), (420, 598516), (560, 448887), (840, 299258), (1680, 149629)]