178951728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 489254400

約数和(自身を除く): 310302672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 239, 304, 456, 478, 717, 821, 912, 956, 1434, 1642, 1912, 2463, 2868, 3284, 3824, 4541, 4926, 5736, 6568, 9082, 9852, 11472, 13136, 13623, 15599, 18164, 19704, 27246, 31198, 36328, 39408, 46797, 54492, 62396, 72656, 93594, 108984, 124792, 187188, 196219, 217968, 249584, 374376, 392438, 588657, 748752, 784876, 1177314, 1569752, 2354628, 3139504, 3728161, 4709256, 7456322, 9418512, 11184483, 14912644, 22368966, 29825288, 44737932, 59650576, 89475864, 178951728]

約数ペア:

[(1, 178951728), (2, 89475864), (3, 59650576), (4, 44737932), (6, 29825288), (8, 22368966), (12, 14912644), (16, 11184483), (19, 9418512), (24, 7456322), (38, 4709256), (48, 3728161), (57, 3139504), (76, 2354628), (114, 1569752), (152, 1177314), (228, 784876), (239, 748752), (304, 588657), (456, 392438), (478, 374376), (717, 249584), (821, 217968), (912, 196219), (956, 187188), (1434, 124792), (1642, 108984), (1912, 93594), (2463, 72656), (2868, 62396), (3284, 54492), (3824, 46797), (4541, 39408), (4926, 36328), (5736, 31198), (6568, 27246), (9082, 19704), (9852, 18164), (11472, 15599), (13136, 13623)]