128717880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63097}}^1$

素因数の和:63128

約数の個数: 64

約数和(自身を含む): 408875040

約数和(自身を除く): 280157160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 63097, 126194, 189291, 252388, 315485, 378582, 504776, 630970, 757164, 946455, 1072649, 1261940, 1514328, 1892910, 2145298, 2523880, 3217947, 3785820, 4290596, 5363245, 6435894, 7571640, 8581192, 10726490, 12871788, 16089735, 21452980, 25743576, 32179470, 42905960, 64358940, 128717880]

約数ペア:

[(1, 128717880), (2, 64358940), (3, 42905960), (4, 32179470), (5, 25743576), (6, 21452980), (8, 16089735), (10, 12871788), (12, 10726490), (15, 8581192), (17, 7571640), (20, 6435894), (24, 5363245), (30, 4290596), (34, 3785820), (40, 3217947), (51, 2523880), (60, 2145298), (68, 1892910), (85, 1514328), (102, 1261940), (120, 1072649), (136, 946455), (170, 757164), (204, 630970), (255, 504776), (340, 378582), (408, 315485), (510, 252388), (680, 189291), (1020, 126194), (2040, 63097)]