77980920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2719}}^1$

素因数の和:2972

約数の個数: 64

約数和(自身を含む): 235008000

約数和(自身を除く): 157027080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2719, 2868, 3585, 4780, 5438, 5736, 7170, 8157, 9560, 10876, 13595, 14340, 16314, 21752, 27190, 28680, 32628, 40785, 54380, 65256, 81570, 108760, 163140, 326280, 649841, 1299682, 1949523, 2599364, 3249205, 3899046, 5198728, 6498410, 7798092, 9747615, 12996820, 15596184, 19495230, 25993640, 38990460, 77980920]

約数ペア:

[(1, 77980920), (2, 38990460), (3, 25993640), (4, 19495230), (5, 15596184), (6, 12996820), (8, 9747615), (10, 7798092), (12, 6498410), (15, 5198728), (20, 3899046), (24, 3249205), (30, 2599364), (40, 1949523), (60, 1299682), (120, 649841), (239, 326280), (478, 163140), (717, 108760), (956, 81570), (1195, 65256), (1434, 54380), (1912, 40785), (2390, 32628), (2719, 28680), (2868, 27190), (3585, 21752), (4780, 16314), (5438, 14340), (5736, 13595), (7170, 10876), (8157, 9560)]