89817280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 112

約数和(自身を含む): 247473216

約数和(自身を除く): 157655936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 140, 160, 202, 224, 280, 320, 397, 404, 448, 505, 560, 707, 794, 808, 1010, 1120, 1414, 1588, 1616, 1985, 2020, 2240, 2779, 2828, 3176, 3232, 3535, 3970, 4040, 5558, 5656, 6352, 6464, 7070, 7940, 8080, 11116, 11312, 12704, 13895, 14140, 15880, 16160, 22232, 22624, 25408, 27790, 28280, 31760, 32320, 40097, 44464, 45248, 55580, 56560, 63520, 80194, 88928, 111160, 113120, 127040, 160388, 177856, 200485, 222320, 226240, 280679, 320776, 400970, 444640, 561358, 641552, 801940, 889280, 1122716, 1283104, 1403395, 1603880, 2245432, 2566208, 2806790, 3207760, 4490864, 5613580, 6415520, 8981728, 11227160, 12831040, 17963456, 22454320, 44908640, 89817280]

約数ペア:

[(1, 89817280), (2, 44908640), (4, 22454320), (5, 17963456), (7, 12831040), (8, 11227160), (10, 8981728), (14, 6415520), (16, 5613580), (20, 4490864), (28, 3207760), (32, 2806790), (35, 2566208), (40, 2245432), (56, 1603880), (64, 1403395), (70, 1283104), (80, 1122716), (101, 889280), (112, 801940), (140, 641552), (160, 561358), (202, 444640), (224, 400970), (280, 320776), (320, 280679), (397, 226240), (404, 222320), (448, 200485), (505, 177856), (560, 160388), (707, 127040), (794, 113120), (808, 111160), (1010, 88928), (1120, 80194), (1414, 63520), (1588, 56560), (1616, 55580), (1985, 45248), (2020, 44464), (2240, 40097), (2779, 32320), (2828, 31760), (3176, 28280), (3232, 27790), (3535, 25408), (3970, 22624), (4040, 22232), (5558, 16160), (5656, 15880), (6352, 14140), (6464, 13895), (7070, 12704), (7940, 11312), (8080, 11116)]