204987720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244033}}^1$

素因数の和:244054

約数の個数: 64

約数和(自身を含む): 702817920

約数和(自身を除く): 497830200

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, 244033, 488066, 732099, 976132, 1220165, 1464198, 1708231, 1952264, 2440330, 2928396, 3416462, 3660495, 4880660, 5124693, 5856792, 6832924, 7320990, 8541155, 9761320, 10249386, 13665848, 14641980, 17082310, 20498772, 25623465, 29283960, 34164620, 40997544, 51246930, 68329240, 102493860, 204987720]

約数ペア:

[(1, 204987720), (2, 102493860), (3, 68329240), (4, 51246930), (5, 40997544), (6, 34164620), (7, 29283960), (8, 25623465), (10, 20498772), (12, 17082310), (14, 14641980), (15, 13665848), (20, 10249386), (21, 9761320), (24, 8541155), (28, 7320990), (30, 6832924), (35, 5856792), (40, 5124693), (42, 4880660), (56, 3660495), (60, 3416462), (70, 2928396), (84, 2440330), (105, 1952264), (120, 1708231), (140, 1464198), (168, 1220165), (210, 976132), (280, 732099), (420, 488066), (840, 244033)]