790465280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1874

約数の個数: 144

約数和(自身を含む): 2133347328

約数和(自身を除く): 1342882048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1811, 1984, 2480, 2728, 2816, 3410, 3520, 3622, 3968, 4960, 5456, 6820, 7040, 7244, 7936, 9055, 9920, 10912, 13640, 14080, 14488, 18110, 19840, 19921, 21824, 27280, 28976, 36220, 39680, 39842, 43648, 54560, 56141, 57952, 72440, 79684, 87296, 99605, 109120, 112282, 115904, 144880, 159368, 199210, 218240, 224564, 231808, 280705, 289760, 318736, 398420, 436480, 449128, 463616, 561410, 579520, 617551, 637472, 796840, 898256, 1122820, 1159040, 1235102, 1274944, 1593680, 1796512, 2245640, 2318080, 2470204, 2549888, 3087755, 3187360, 3593024, 4491280, 4940408, 5099776, 6175510, 6374720, 7186048, 8982560, 9880816, 12351020, 12749440, 14372096, 17965120, 19761632, 24702040, 25498880, 35930240, 39523264, 49404080, 71860480, 79046528, 98808160, 158093056, 197616320, 395232640, 790465280]

約数ペア:

[(1, 790465280), (2, 395232640), (4, 197616320), (5, 158093056), (8, 98808160), (10, 79046528), (11, 71860480), (16, 49404080), (20, 39523264), (22, 35930240), (31, 25498880), (32, 24702040), (40, 19761632), (44, 17965120), (55, 14372096), (62, 12749440), (64, 12351020), (80, 9880816), (88, 8982560), (110, 7186048), (124, 6374720), (128, 6175510), (155, 5099776), (160, 4940408), (176, 4491280), (220, 3593024), (248, 3187360), (256, 3087755), (310, 2549888), (320, 2470204), (341, 2318080), (352, 2245640), (440, 1796512), (496, 1593680), (620, 1274944), (640, 1235102), (682, 1159040), (704, 1122820), (880, 898256), (992, 796840), (1240, 637472), (1280, 617551), (1364, 579520), (1408, 561410), (1705, 463616), (1760, 449128), (1811, 436480), (1984, 398420), (2480, 318736), (2728, 289760), (2816, 280705), (3410, 231808), (3520, 224564), (3622, 218240), (3968, 199210), (4960, 159368), (5456, 144880), (6820, 115904), (7040, 112282), (7244, 109120), (7936, 99605), (9055, 87296), (9920, 79684), (10912, 72440), (13640, 57952), (14080, 56141), (14488, 54560), (18110, 43648), (19840, 39842), (19921, 39680), (21824, 36220), (27280, 28976)]