15691724560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{219649}}^1$

素因数の和:219728

約数の個数: 80

約数和(自身を含む): 39220704000

約数和(自身を除く): 23528979440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1786, 1880, 3572, 3760, 4465, 7144, 8930, 14288, 17860, 35720, 71440, 219649, 439298, 878596, 1098245, 1757192, 2196490, 3514384, 4173331, 4392980, 8346662, 8785960, 10323503, 16693324, 17571920, 20647006, 20866655, 33386648, 41294012, 41733310, 51617515, 66773296, 82588024, 83466620, 103235030, 165176048, 166933240, 196146557, 206470060, 333866480, 392293114, 412940120, 784586228, 825880240, 980732785, 1569172456, 1961465570, 3138344912, 3922931140, 7845862280, 15691724560]

約数ペア:

[(1, 15691724560), (2, 7845862280), (4, 3922931140), (5, 3138344912), (8, 1961465570), (10, 1569172456), (16, 980732785), (19, 825880240), (20, 784586228), (38, 412940120), (40, 392293114), (47, 333866480), (76, 206470060), (80, 196146557), (94, 166933240), (95, 165176048), (152, 103235030), (188, 83466620), (190, 82588024), (235, 66773296), (304, 51617515), (376, 41733310), (380, 41294012), (470, 33386648), (752, 20866655), (760, 20647006), (893, 17571920), (940, 16693324), (1520, 10323503), (1786, 8785960), (1880, 8346662), (3572, 4392980), (3760, 4173331), (4465, 3514384), (7144, 2196490), (8930, 1757192), (14288, 1098245), (17860, 878596), (35720, 439298), (71440, 219649)]