180340888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 439971840

約数和(自身を除く): 259630952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 61, 62, 91, 104, 122, 124, 131, 182, 217, 244, 248, 262, 364, 403, 427, 434, 488, 524, 728, 793, 806, 854, 868, 917, 1048, 1586, 1612, 1703, 1708, 1736, 1834, 1891, 2821, 3172, 3224, 3406, 3416, 3668, 3782, 4061, 5551, 5642, 6344, 6812, 7336, 7564, 7991, 8122, 11102, 11284, 11921, 13237, 13624, 15128, 15982, 16244, 22204, 22568, 23842, 24583, 26474, 28427, 31964, 32488, 44408, 47684, 49166, 52793, 52948, 55937, 56854, 63928, 95368, 98332, 103883, 105586, 105896, 111874, 113708, 172081, 196664, 207766, 211172, 223748, 227416, 247721, 344162, 369551, 415532, 422344, 447496, 495442, 688324, 727181, 739102, 831064, 990884, 1376648, 1454362, 1478204, 1734047, 1981768, 2908724, 2956408, 3220373, 3468094, 5817448, 6440746, 6936188, 12881492, 13872376, 22542611, 25762984, 45085222, 90170444, 180340888]

約数ペア:

[(1, 180340888), (2, 90170444), (4, 45085222), (7, 25762984), (8, 22542611), (13, 13872376), (14, 12881492), (26, 6936188), (28, 6440746), (31, 5817448), (52, 3468094), (56, 3220373), (61, 2956408), (62, 2908724), (91, 1981768), (104, 1734047), (122, 1478204), (124, 1454362), (131, 1376648), (182, 990884), (217, 831064), (244, 739102), (248, 727181), (262, 688324), (364, 495442), (403, 447496), (427, 422344), (434, 415532), (488, 369551), (524, 344162), (728, 247721), (793, 227416), (806, 223748), (854, 211172), (868, 207766), (917, 196664), (1048, 172081), (1586, 113708), (1612, 111874), (1703, 105896), (1708, 105586), (1736, 103883), (1834, 98332), (1891, 95368), (2821, 63928), (3172, 56854), (3224, 55937), (3406, 52948), (3416, 52793), (3668, 49166), (3782, 47684), (4061, 44408), (5551, 32488), (5642, 31964), (6344, 28427), (6812, 26474), (7336, 24583), (7564, 23842), (7991, 22568), (8122, 22204), (11102, 16244), (11284, 15982), (11921, 15128), (13237, 13624)]