122917840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 303105600

約数和(自身を除く): 180187760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 304, 380, 386, 419, 760, 772, 838, 965, 1520, 1544, 1676, 1930, 2095, 3088, 3352, 3667, 3860, 4190, 6704, 7334, 7720, 7961, 8380, 14668, 15440, 15922, 16760, 18335, 29336, 31844, 33520, 36670, 39805, 58672, 63688, 73340, 79610, 80867, 127376, 146680, 159220, 161734, 293360, 318440, 323468, 404335, 636880, 646936, 808670, 1293872, 1536473, 1617340, 3072946, 3234680, 6145892, 6469360, 7682365, 12291784, 15364730, 24583568, 30729460, 61458920, 122917840]

約数ペア:

[(1, 122917840), (2, 61458920), (4, 30729460), (5, 24583568), (8, 15364730), (10, 12291784), (16, 7682365), (19, 6469360), (20, 6145892), (38, 3234680), (40, 3072946), (76, 1617340), (80, 1536473), (95, 1293872), (152, 808670), (190, 646936), (193, 636880), (304, 404335), (380, 323468), (386, 318440), (419, 293360), (760, 161734), (772, 159220), (838, 146680), (965, 127376), (1520, 80867), (1544, 79610), (1676, 73340), (1930, 63688), (2095, 58672), (3088, 39805), (3352, 36670), (3667, 33520), (3860, 31844), (4190, 29336), (6704, 18335), (7334, 16760), (7720, 15922), (7961, 15440), (8380, 14668)]