15768816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 47282688

約数和(自身を除く): 31513872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 661, 852, 994, 1136, 1322, 1491, 1704, 1983, 1988, 2644, 2982, 3408, 3966, 3976, 4627, 5288, 5964, 7932, 7952, 9254, 10576, 11928, 13881, 15864, 18508, 23856, 27762, 31728, 37016, 46931, 55524, 74032, 93862, 111048, 140793, 187724, 222096, 281586, 328517, 375448, 563172, 657034, 750896, 985551, 1126344, 1314068, 1971102, 2252688, 2628136, 3942204, 5256272, 7884408, 15768816]

約数ペア:

[(1, 15768816), (2, 7884408), (3, 5256272), (4, 3942204), (6, 2628136), (7, 2252688), (8, 1971102), (12, 1314068), (14, 1126344), (16, 985551), (21, 750896), (24, 657034), (28, 563172), (42, 375448), (48, 328517), (56, 281586), (71, 222096), (84, 187724), (112, 140793), (142, 111048), (168, 93862), (213, 74032), (284, 55524), (336, 46931), (426, 37016), (497, 31728), (568, 27762), (661, 23856), (852, 18508), (994, 15864), (1136, 13881), (1322, 11928), (1491, 10576), (1704, 9254), (1983, 7952), (1988, 7932), (2644, 5964), (2982, 5288), (3408, 4627), (3966, 3976)]