215581575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 408545280

約数和(自身を除く): 192963705

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 59, 75, 103, 129, 165, 177, 215, 275, 295, 309, 473, 515, 645, 649, 825, 885, 1075, 1133, 1419, 1475, 1545, 1947, 2365, 2537, 2575, 3225, 3245, 3399, 4425, 4429, 5665, 6077, 7095, 7611, 7725, 9735, 11825, 12685, 13287, 16225, 16995, 18231, 22145, 27907, 28325, 30385, 35475, 38055, 48675, 48719, 63425, 66435, 66847, 83721, 84975, 91155, 110725, 139535, 146157, 151925, 190275, 200541, 243595, 261311, 332175, 334235, 418605, 455775, 697675, 730785, 783933, 1002705, 1217975, 1306555, 1671175, 2093025, 2874421, 3653925, 3919665, 5013525, 6532775, 8623263, 14372105, 19598325, 43116315, 71860525, 215581575]

約数ペア:

[(1, 215581575), (3, 71860525), (5, 43116315), (11, 19598325), (15, 14372105), (25, 8623263), (33, 6532775), (43, 5013525), (55, 3919665), (59, 3653925), (75, 2874421), (103, 2093025), (129, 1671175), (165, 1306555), (177, 1217975), (215, 1002705), (275, 783933), (295, 730785), (309, 697675), (473, 455775), (515, 418605), (645, 334235), (649, 332175), (825, 261311), (885, 243595), (1075, 200541), (1133, 190275), (1419, 151925), (1475, 146157), (1545, 139535), (1947, 110725), (2365, 91155), (2537, 84975), (2575, 83721), (3225, 66847), (3245, 66435), (3399, 63425), (4425, 48719), (4429, 48675), (5665, 38055), (6077, 35475), (7095, 30385), (7611, 28325), (7725, 27907), (9735, 22145), (11825, 18231), (12685, 16995), (13287, 16225)]