278843145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 575078400

約数和(自身を除く): 296235255

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 59, 69, 95, 103, 105, 115, 133, 161, 177, 285, 295, 309, 345, 399, 413, 437, 483, 515, 665, 721, 805, 885, 1121, 1239, 1311, 1357, 1545, 1957, 1995, 2065, 2163, 2185, 2369, 2415, 3059, 3363, 3605, 4071, 5605, 5871, 6077, 6195, 6555, 6785, 7107, 7847, 9177, 9499, 9785, 10815, 11845, 13699, 15295, 16583, 16815, 18231, 20355, 23541, 25783, 28497, 29355, 30385, 35535, 39235, 41097, 42539, 45011, 45885, 47495, 49749, 68495, 77349, 82915, 91155, 115463, 117705, 127617, 128915, 135033, 139771, 142485, 180481, 205485, 212695, 225055, 248745, 315077, 346389, 386745, 419313, 541443, 577315, 638085, 675165, 698855, 808241, 902405, 945231, 978397, 1575385, 1731945, 2096565, 2424723, 2655649, 2707215, 2935191, 4041205, 4726155, 4891985, 7966947, 12123615, 13278245, 14675955, 18589543, 39834735, 55768629, 92947715, 278843145]

約数ペア:

[(1, 278843145), (3, 92947715), (5, 55768629), (7, 39834735), (15, 18589543), (19, 14675955), (21, 13278245), (23, 12123615), (35, 7966947), (57, 4891985), (59, 4726155), (69, 4041205), (95, 2935191), (103, 2707215), (105, 2655649), (115, 2424723), (133, 2096565), (161, 1731945), (177, 1575385), (285, 978397), (295, 945231), (309, 902405), (345, 808241), (399, 698855), (413, 675165), (437, 638085), (483, 577315), (515, 541443), (665, 419313), (721, 386745), (805, 346389), (885, 315077), (1121, 248745), (1239, 225055), (1311, 212695), (1357, 205485), (1545, 180481), (1957, 142485), (1995, 139771), (2065, 135033), (2163, 128915), (2185, 127617), (2369, 117705), (2415, 115463), (3059, 91155), (3363, 82915), (3605, 77349), (4071, 68495), (5605, 49749), (5871, 47495), (6077, 45885), (6195, 45011), (6555, 42539), (6785, 41097), (7107, 39235), (7847, 35535), (9177, 30385), (9499, 29355), (9785, 28497), (10815, 25783), (11845, 23541), (13699, 20355), (15295, 18231), (16583, 16815)]