164595760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1171}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 439471872

約数和(自身を除く): 274876112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 502, 560, 1004, 1171, 1255, 1757, 2008, 2342, 2510, 3514, 4016, 4684, 5020, 5855, 7028, 8197, 8785, 9368, 10040, 11710, 14056, 16394, 17570, 18736, 20080, 23420, 28112, 32788, 35140, 40985, 46840, 65576, 70280, 81970, 93680, 131152, 140560, 163940, 293921, 327880, 587842, 655760, 1175684, 1469605, 2057447, 2351368, 2939210, 4114894, 4702736, 5878420, 8229788, 10287235, 11756840, 16459576, 20574470, 23513680, 32919152, 41148940, 82297880, 164595760]

約数ペア:

[(1, 164595760), (2, 82297880), (4, 41148940), (5, 32919152), (7, 23513680), (8, 20574470), (10, 16459576), (14, 11756840), (16, 10287235), (20, 8229788), (28, 5878420), (35, 4702736), (40, 4114894), (56, 2939210), (70, 2351368), (80, 2057447), (112, 1469605), (140, 1175684), (251, 655760), (280, 587842), (502, 327880), (560, 293921), (1004, 163940), (1171, 140560), (1255, 131152), (1757, 93680), (2008, 81970), (2342, 70280), (2510, 65576), (3514, 46840), (4016, 40985), (4684, 35140), (5020, 32788), (5855, 28112), (7028, 23420), (8197, 20080), (8785, 18736), (9368, 17570), (10040, 16394), (11710, 14056)]