56515728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2060

約数の個数: 80

約数和(自身を含む): 158720000

約数和(自身を除く): 102204272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 1999, 2356, 3534, 3998, 4712, 5997, 7068, 7996, 9424, 11994, 14136, 15992, 23988, 28272, 31984, 37981, 47976, 61969, 75962, 95952, 113943, 123938, 151924, 185907, 227886, 247876, 303848, 371814, 455772, 495752, 607696, 743628, 911544, 991504, 1177411, 1487256, 1823088, 2354822, 2974512, 3532233, 4709644, 7064466, 9419288, 14128932, 18838576, 28257864, 56515728]

約数ペア:

[(1, 56515728), (2, 28257864), (3, 18838576), (4, 14128932), (6, 9419288), (8, 7064466), (12, 4709644), (16, 3532233), (19, 2974512), (24, 2354822), (31, 1823088), (38, 1487256), (48, 1177411), (57, 991504), (62, 911544), (76, 743628), (93, 607696), (114, 495752), (124, 455772), (152, 371814), (186, 303848), (228, 247876), (248, 227886), (304, 185907), (372, 151924), (456, 123938), (496, 113943), (589, 95952), (744, 75962), (912, 61969), (1178, 47976), (1488, 37981), (1767, 31984), (1999, 28272), (2356, 23988), (3534, 15992), (3998, 14136), (4712, 11994), (5997, 9424), (7068, 7996)]