1378156640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{64763}}^1$

素因数の和:64804

約数の個数: 96

約数和(自身を含む): 3916926720

約数和(自身を除く): 2538770080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 21280, 64763, 129526, 259052, 323815, 453341, 518104, 647630, 906682, 1036208, 1230497, 1295260, 1813364, 2072416, 2266705, 2460994, 2590520, 3626728, 4533410, 4921988, 5181040, 6152485, 7253456, 8613479, 9066820, 9843976, 10362080, 12304970, 14506912, 17226958, 18133640, 19687952, 24609940, 34453916, 36267280, 39375904, 43067395, 49219880, 68907832, 72534560, 86134790, 98439760, 137815664, 172269580, 196879520, 275631328, 344539160, 689078320, 1378156640]

約数ペア:

[(1, 1378156640), (2, 689078320), (4, 344539160), (5, 275631328), (7, 196879520), (8, 172269580), (10, 137815664), (14, 98439760), (16, 86134790), (19, 72534560), (20, 68907832), (28, 49219880), (32, 43067395), (35, 39375904), (38, 36267280), (40, 34453916), (56, 24609940), (70, 19687952), (76, 18133640), (80, 17226958), (95, 14506912), (112, 12304970), (133, 10362080), (140, 9843976), (152, 9066820), (160, 8613479), (190, 7253456), (224, 6152485), (266, 5181040), (280, 4921988), (304, 4533410), (380, 3626728), (532, 2590520), (560, 2460994), (608, 2266705), (665, 2072416), (760, 1813364), (1064, 1295260), (1120, 1230497), (1330, 1036208), (1520, 906682), (2128, 647630), (2660, 518104), (3040, 453341), (4256, 323815), (5320, 259052), (10640, 129526), (21280, 64763)]