640927584

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:993

約数の個数: 144

約数和(自身を含む): 1997835840

約数和(自身を除く): 1356908256

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 307, 352, 396, 528, 614, 659, 792, 921, 1056, 1228, 1318, 1584, 1842, 1977, 2456, 2636, 2763, 3168, 3377, 3684, 3954, 4912, 5272, 5526, 5931, 6754, 7249, 7368, 7908, 9824, 10131, 10544, 11052, 11862, 13508, 14498, 14736, 15816, 20262, 21088, 21747, 22104, 23724, 27016, 28996, 29472, 30393, 31632, 40524, 43494, 44208, 47448, 54032, 57992, 60786, 63264, 65241, 81048, 86988, 88416, 94896, 108064, 115984, 121572, 130482, 162096, 173976, 189792, 202313, 231968, 243144, 260964, 324192, 347952, 404626, 486288, 521928, 606939, 695904, 809252, 972576, 1043856, 1213878, 1618504, 1820817, 2087712, 2225443, 2427756, 3237008, 3641634, 4450886, 4855512, 6474016, 6676329, 7283268, 8901772, 9711024, 13352658, 14566536, 17803544, 19422048, 20028987, 26705316, 29133072, 35607088, 40057974, 53410632, 58266144, 71214176, 80115948, 106821264, 160231896, 213642528, 320463792, 640927584]

約数ペア:

[(1, 640927584), (2, 320463792), (3, 213642528), (4, 160231896), (6, 106821264), (8, 80115948), (9, 71214176), (11, 58266144), (12, 53410632), (16, 40057974), (18, 35607088), (22, 29133072), (24, 26705316), (32, 20028987), (33, 19422048), (36, 17803544), (44, 14566536), (48, 13352658), (66, 9711024), (72, 8901772), (88, 7283268), (96, 6676329), (99, 6474016), (132, 4855512), (144, 4450886), (176, 3641634), (198, 3237008), (264, 2427756), (288, 2225443), (307, 2087712), (352, 1820817), (396, 1618504), (528, 1213878), (614, 1043856), (659, 972576), (792, 809252), (921, 695904), (1056, 606939), (1228, 521928), (1318, 486288), (1584, 404626), (1842, 347952), (1977, 324192), (2456, 260964), (2636, 243144), (2763, 231968), (3168, 202313), (3377, 189792), (3684, 173976), (3954, 162096), (4912, 130482), (5272, 121572), (5526, 115984), (5931, 108064), (6754, 94896), (7249, 88416), (7368, 86988), (7908, 81048), (9824, 65241), (10131, 63264), (10544, 60786), (11052, 57992), (11862, 54032), (13508, 47448), (14498, 44208), (14736, 43494), (15816, 40524), (20262, 31632), (21088, 30393), (21747, 29472), (22104, 28996), (23724, 27016)]