620777728

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 1412812800

約数和(自身を除く): 792035072

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 32, 38, 46, 62, 64, 76, 92, 124, 128, 152, 179, 184, 248, 256, 304, 358, 368, 437, 496, 589, 608, 713, 716, 736, 874, 992, 1178, 1216, 1426, 1432, 1472, 1748, 1984, 2356, 2432, 2852, 2864, 2944, 3401, 3496, 3968, 4117, 4712, 4864, 5549, 5704, 5728, 5888, 6802, 6992, 7936, 8234, 9424, 11098, 11408, 11456, 13547, 13604, 13984, 16468, 18848, 22196, 22816, 22912, 27094, 27208, 27968, 32936, 37696, 44392, 45632, 45824, 54188, 54416, 55936, 65872, 75392, 78223, 88784, 91264, 105431, 108376, 108832, 111872, 127627, 131744, 150784, 156446, 177568, 182528, 210862, 216752, 217664, 255254, 263488, 312892, 355136, 421724, 433504, 435328, 510508, 526976, 625784, 710272, 843448, 867008, 870656, 1021016, 1053952, 1251568, 1420544, 1686896, 1734016, 2042032, 2424913, 2503136, 3373792, 3468032, 4084064, 4849826, 5006272, 6747584, 8168128, 9699652, 10012544, 13495168, 16336256, 19399304, 20025088, 26990336, 32672512, 38798608, 77597216, 155194432, 310388864, 620777728]

約数ペア:

[(1, 620777728), (2, 310388864), (4, 155194432), (8, 77597216), (16, 38798608), (19, 32672512), (23, 26990336), (31, 20025088), (32, 19399304), (38, 16336256), (46, 13495168), (62, 10012544), (64, 9699652), (76, 8168128), (92, 6747584), (124, 5006272), (128, 4849826), (152, 4084064), (179, 3468032), (184, 3373792), (248, 2503136), (256, 2424913), (304, 2042032), (358, 1734016), (368, 1686896), (437, 1420544), (496, 1251568), (589, 1053952), (608, 1021016), (713, 870656), (716, 867008), (736, 843448), (874, 710272), (992, 625784), (1178, 526976), (1216, 510508), (1426, 435328), (1432, 433504), (1472, 421724), (1748, 355136), (1984, 312892), (2356, 263488), (2432, 255254), (2852, 217664), (2864, 216752), (2944, 210862), (3401, 182528), (3496, 177568), (3968, 156446), (4117, 150784), (4712, 131744), (4864, 127627), (5549, 111872), (5704, 108832), (5728, 108376), (5888, 105431), (6802, 91264), (6992, 88784), (7936, 78223), (8234, 75392), (9424, 65872), (11098, 55936), (11408, 54416), (11456, 54188), (13547, 45824), (13604, 45632), (13984, 44392), (16468, 37696), (18848, 32936), (22196, 27968), (22816, 27208), (22912, 27094)]