28578690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{15121}}^1$

素因数の和:15144

約数の個数: 64

約数和(自身を含む): 87102720

約数和(自身を除く): 58524030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 15121, 30242, 45363, 75605, 90726, 105847, 136089, 151210, 211694, 226815, 272178, 317541, 408267, 453630, 529235, 635082, 680445, 816534, 952623, 1058470, 1360890, 1587705, 1905246, 2041335, 2857869, 3175410, 4082670, 4763115, 5715738, 9526230, 14289345, 28578690]

約数ペア:

[(1, 28578690), (2, 14289345), (3, 9526230), (5, 5715738), (6, 4763115), (7, 4082670), (9, 3175410), (10, 2857869), (14, 2041335), (15, 1905246), (18, 1587705), (21, 1360890), (27, 1058470), (30, 952623), (35, 816534), (42, 680445), (45, 635082), (54, 529235), (63, 453630), (70, 408267), (90, 317541), (105, 272178), (126, 226815), (135, 211694), (189, 151210), (210, 136089), (270, 105847), (315, 90726), (378, 75605), (630, 45363), (945, 30242), (1890, 15121)]