15286138840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{894973}}^1$

素因数の和:895052

約数の個数: 64

約数和(自身を含む): 39951639360

約数和(自身を除く): 24665500520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17080, 894973, 1789946, 3579892, 4474865, 6264811, 7159784, 8949730, 12529622, 17899460, 25059244, 31324055, 35798920, 50118488, 54593353, 62648110, 109186706, 125296220, 218373412, 250592440, 272966765, 382153471, 436746824, 545933530, 764306942, 1091867060, 1528613884, 1910767355, 2183734120, 3057227768, 3821534710, 7643069420, 15286138840]

約数ペア:

[(1, 15286138840), (2, 7643069420), (4, 3821534710), (5, 3057227768), (7, 2183734120), (8, 1910767355), (10, 1528613884), (14, 1091867060), (20, 764306942), (28, 545933530), (35, 436746824), (40, 382153471), (56, 272966765), (61, 250592440), (70, 218373412), (122, 125296220), (140, 109186706), (244, 62648110), (280, 54593353), (305, 50118488), (427, 35798920), (488, 31324055), (610, 25059244), (854, 17899460), (1220, 12529622), (1708, 8949730), (2135, 7159784), (2440, 6264811), (3416, 4474865), (4270, 3579892), (8540, 1789946), (17080, 894973)]