311963640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{26801}}^1$

素因数の和:26912

約数の個数: 64

約数和(自身を含む): 945574560

約数和(自身を除く): 633610920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 26801, 53602, 80403, 107204, 134005, 160806, 214408, 268010, 321612, 402015, 536020, 643224, 804030, 1072040, 1608060, 2599697, 3216120, 5199394, 7799091, 10398788, 12998485, 15598182, 20797576, 25996970, 31196364, 38995455, 51993940, 62392728, 77990910, 103987880, 155981820, 311963640]

約数ペア:

[(1, 311963640), (2, 155981820), (3, 103987880), (4, 77990910), (5, 62392728), (6, 51993940), (8, 38995455), (10, 31196364), (12, 25996970), (15, 20797576), (20, 15598182), (24, 12998485), (30, 10398788), (40, 7799091), (60, 5199394), (97, 3216120), (120, 2599697), (194, 1608060), (291, 1072040), (388, 804030), (485, 643224), (582, 536020), (776, 402015), (970, 321612), (1164, 268010), (1455, 214408), (1940, 160806), (2328, 134005), (2910, 107204), (3880, 80403), (5820, 53602), (11640, 26801)]