12720708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 43295616

約数和(自身を除く): 30574908

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 353, 364, 396, 429, 462, 468, 546, 572, 693, 706, 819, 858, 924, 1001, 1059, 1092, 1287, 1386, 1412, 1638, 1716, 2002, 2118, 2471, 2574, 2772, 3003, 3177, 3276, 3883, 4004, 4236, 4589, 4942, 5148, 6006, 6354, 7413, 7766, 9009, 9178, 9884, 11649, 12012, 12708, 13767, 14826, 15532, 18018, 18356, 22239, 23298, 27181, 27534, 29652, 32123, 34947, 36036, 41301, 44478, 46596, 50479, 54362, 55068, 64246, 69894, 81543, 82602, 88956, 96369, 100958, 108724, 128492, 139788, 151437, 163086, 165204, 192738, 201916, 244629, 289107, 302874, 326172, 353353, 385476, 454311, 489258, 578214, 605748, 706706, 908622, 978516, 1060059, 1156428, 1413412, 1817244, 2120118, 3180177, 4240236, 6360354, 12720708]

約数ペア:

[(1, 12720708), (2, 6360354), (3, 4240236), (4, 3180177), (6, 2120118), (7, 1817244), (9, 1413412), (11, 1156428), (12, 1060059), (13, 978516), (14, 908622), (18, 706706), (21, 605748), (22, 578214), (26, 489258), (28, 454311), (33, 385476), (36, 353353), (39, 326172), (42, 302874), (44, 289107), (52, 244629), (63, 201916), (66, 192738), (77, 165204), (78, 163086), (84, 151437), (91, 139788), (99, 128492), (117, 108724), (126, 100958), (132, 96369), (143, 88956), (154, 82602), (156, 81543), (182, 69894), (198, 64246), (231, 55068), (234, 54362), (252, 50479), (273, 46596), (286, 44478), (308, 41301), (353, 36036), (364, 34947), (396, 32123), (429, 29652), (462, 27534), (468, 27181), (546, 23298), (572, 22239), (693, 18356), (706, 18018), (819, 15532), (858, 14826), (924, 13767), (1001, 12708), (1059, 12012), (1092, 11649), (1287, 9884), (1386, 9178), (1412, 9009), (1638, 7766), (1716, 7413), (2002, 6354), (2118, 6006), (2471, 5148), (2574, 4942), (2772, 4589), (3003, 4236), (3177, 4004), (3276, 3883)]