640305072

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{739}}^1$

素因数の和:1311

約数の個数: 120

約数和(自身を含む): 1961094720

約数和(自身を除く): 1320789648

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 547, 739, 792, 1094, 1478, 1584, 1641, 2188, 2217, 2956, 3282, 4376, 4434, 4923, 5912, 6017, 6564, 6651, 8129, 8752, 8868, 9846, 11824, 12034, 13128, 13302, 16258, 17736, 18051, 19692, 24068, 24387, 26256, 26604, 32516, 35472, 36102, 39384, 48136, 48774, 53208, 54153, 65032, 72204, 73161, 78768, 96272, 97548, 106416, 108306, 130064, 144408, 146322, 195096, 216612, 288816, 292644, 390192, 404233, 433224, 585288, 808466, 866448, 1170576, 1212699, 1616932, 2425398, 3233864, 3638097, 4446563, 4850796, 6467728, 7276194, 8893126, 9701592, 13339689, 14552388, 17786252, 19403184, 26679378, 29104776, 35572504, 40019067, 53358756, 58209552, 71145008, 80038134, 106717512, 160076268, 213435024, 320152536, 640305072]

約数ペア:

[(1, 640305072), (2, 320152536), (3, 213435024), (4, 160076268), (6, 106717512), (8, 80038134), (9, 71145008), (11, 58209552), (12, 53358756), (16, 40019067), (18, 35572504), (22, 29104776), (24, 26679378), (33, 19403184), (36, 17786252), (44, 14552388), (48, 13339689), (66, 9701592), (72, 8893126), (88, 7276194), (99, 6467728), (132, 4850796), (144, 4446563), (176, 3638097), (198, 3233864), (264, 2425398), (396, 1616932), (528, 1212699), (547, 1170576), (739, 866448), (792, 808466), (1094, 585288), (1478, 433224), (1584, 404233), (1641, 390192), (2188, 292644), (2217, 288816), (2956, 216612), (3282, 195096), (4376, 146322), (4434, 144408), (4923, 130064), (5912, 108306), (6017, 106416), (6564, 97548), (6651, 96272), (8129, 78768), (8752, 73161), (8868, 72204), (9846, 65032), (11824, 54153), (12034, 53208), (13128, 48774), (13302, 48136), (16258, 39384), (17736, 36102), (18051, 35472), (19692, 32516), (24068, 26604), (24387, 26256)]